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Protein

Early E1A protein

Gene
N/A
Organism
Human adenovirus C serotype 2 (HAdV-2) (Human adenovirus 2)
Status
Reviewed-Annotation score:

Annotation score:4 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Plays a role in viral genome replication by driving entry of quiescent cells into the cell cycle. Stimulation of progression from G1 to S phase allows the virus to efficiently use the cellular DNA replicating machinery to achieve viral genome replication. E1A protein has both transforming and trans-activating activities. Induces the disassembly of the E2F1 transcription factor from RB1 by direct competition for the same binding site on RB1, with subsequent transcriptional activation of E2F1-regulated S-phase genes and of the E2 region of the adenoviral genome. Release of E2F1 leads to the ARF-mediated inhibition of MDM2 and causes TP53/p53 to accumulate because it is not targeted for degradation by MDM2-mediated ubiquitination anymore. This increase in TP53, in turn, would arrest the cell proliferation and direct its death but this effect is counteracted by the viral protein E1B-55K. Inactivation of the ability of RB1 to arrest the cell cycle is critical for cellular transformation, uncontrolled cellular growth and proliferation induced by viral infection. Interaction with RBX1 and CUL1 inhibits ubiquitination of the proteins targeted by SCF(FBXW7) ubiquitin ligase complex, and may be linked to unregulated host cell proliferation. The tumorigenesis-restraining activity of E1A may be related to the disruption of the host CtBP-CtIP complex through the CtBP binding motif. Interacts with host TBP protein; this interaction probably disrupts the TBP-TATA complex. Interaction with host TMEM173/STING impairs the ability of TMEM173/STING to sense cytosolic DNA and promote the production of type I interferon (IFN-alpha and IFN-beta).By similarity

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Function’ section specifies the position(s) and type(s) of zinc fingers within the protein.<p><a href='/help/zn_fing' target='_top'>More...</a></p>Zinc fingeri154 – 174By similarityAdd BLAST21

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionActivator
Biological processEukaryotic host gene expression shutoff by virus, Eukaryotic host transcription shutoff by virus, G1/S host cell cycle checkpoint dysregulation by virus, Host gene expression shutoff by virus, Host-virus interaction, Inhibition of eukaryotic host transcription initiation by virus, Inhibition of host innate immune response by virus, Inhibition of host interferon signaling pathway by virus, Inhibition of host STAT1 by virus, Modulation of host cell cycle by virus, Modulation of host E3 ubiquitin ligases by virus, Modulation of host ubiquitin pathway by virus, Transcription, Transcription regulation, Viral immunoevasion
LigandMetal-binding, Zinc

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Early E1A proteinCurated
Alternative name(s):
Early E1A 32 kDa protein
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiHuman adenovirus C serotype 2 (HAdV-2) (Human adenovirus 2)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri10515 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiVirusesdsDNA viruses, no RNA stageAdenoviridaeMastadenovirus
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section only exists in viral entries and indicates the host(s) either as a specific organism or taxonomic group of organisms that are susceptible to be infected by a virus.<p><a href='/help/virus_host' target='_top'>More...</a></p>Virus hostiHomo sapiens (Human) [TaxID: 9606]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000008167 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Genome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Host nucleus

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/manual/pathology_and_biotech_section">'Pathology and Biotech'</a> section describes the effect of the experimental mutation of one or more amino acid(s) on the biological properties of the protein.<p><a href='/help/mutagen' target='_top'>More...</a></p>Mutagenesisi157C → S: Abolishes ATF7-mediated transcriptional activation. 1 Publication1
Mutagenesisi178T → P: No effect on ATF7-mediated transcriptional activation. 1 Publication1
Mutagenesisi185S → R: Abolishes ATF7-mediated transcriptional activation. 1 Publication1

Keywords - Diseasei

Oncogene

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00002216921 – 289Early E1A proteinAdd BLAST289

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei89Phosphoserine; by hostBy similarity1
Modified residuei219Phosphoserine; by hostBy similarity1
Modified residuei231Phosphoserine; by hostBy similarity1

Keywords - PTMi

Phosphoprotein

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Keywords - Developmental stagei

Early protein

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction_section">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Interacts with host UBE2I; this interaction interferes with polySUMOylation. Interacts with host RB1; this interaction induces the aberrant dissociation of RB1-E2F1 complex thereby disrupting the activity of RB1 and activating E2F1-regulated genes. Interacts with host ATF7; the interaction enhances ATF7-mediated viral transactivation activity which requires the zinc binding domains of both proteins. Isoform early E1A 32 kDa protein and isoform early E1A 26 kDa protein interact (via N-terminus) with CUL1 and E3 ubiquitin ligase RBX1; these interactions inhibit RBX1-CUL1-dependent elongation reaction of ubiquitin chains and attenuate ubiquitination of SCF(FBXW7) target proteins. Interacts (via PXLXP motif) with host ZMYND11/BS69 (via MYND-type zinc finger); this interaction inhibits E1A mediated transactivation. Interacts with host EP300; this interaction stimulates the acetylation of RB1 by recruiting EP300 and RB1 into a multimeric-protein complex. Interacts with host CTBP1 and CTBP2; this interaction seems to potentiate viral replication. Interacts with host DCAF7. Interacts with host DYRK1A. Interacts with host KPNA4; this interaction allows E1A import into the host nucleus. Interacts with host EP400; this interaction stabilizes MYC. Interacts (via LXCXE motif) with host TMEM173/STING; this interaction impairs the ability of TMEM173/STING to sense cytosolic DNA and promote the production of type I interferon (IFN-alpha and IFN-beta).By similarity

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction_section%27">Interaction</a> section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="http://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated on a monthly basis. Each binary interaction is displayed on a separate line.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Protein-protein interaction databases

Database of interacting proteins

More...
DIPi
DIP-570N

The Eukaryotic Linear Motif resource for Functional Sites in Proteins

More...
ELMi
P03254

Protein interaction database and analysis system

More...
IntActi
P03254, 3 interactors

Molecular INTeraction database

More...
MINTi
P03254

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

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SMRi
P03254

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni41 – 49Interaction with RB1 in competition with E2F1By similarity9
Regioni76 – 140Interaction with UBE2IBy similarityAdd BLAST65

Motif

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Family and Domains’ section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi113 – 117PXLXP motif, interaction with host ZMYND11By similarity5
Motifi122 – 126LXCXE motif, interaction with host RB1 and TMEM173/STINGSequence analysis5
Motifi258 – 289Bipartite nuclear localization signalSequence analysisBy similarityAdd BLAST32
Motifi279 – 283PXDLS motif, CTBP-bindingBy similarity5

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the adenoviridae E1A protein family.Curated

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri154 – 174By similarityAdd BLAST21

Keywords - Domaini

Zinc-finger

Phylogenomic databases

Database of Orthologous Groups

More...
OrthoDBi
VOG090000J6

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR014410 Aden_E1A

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02703 Adeno_E1A, 1 hit

PIRSF; a whole-protein classification database

More...
PIRSFi
PIRSF003669 Aden_E1A, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (3)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

This entry describes 3 <p>This subsection of the ‘Sequence’ section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket
Note: Isoforms are derived from the E1 region of the genome.
Isoform early E1A 32 kDa protein (identifier: P03254-1) [UniParc]FASTAAdd to basket
Also known as: 289R, L-E1A

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MRHIICHGGV ITEEMAASLL DQLIEEVLAD NLPPPSHFEP PTLHELYDLD
60 70 80 90 100
VTAPEDPNEE AVSQIFPDSV MLAVQEGIDL LTFPPAPGSP EPPHLSRQPE
110 120 130 140 150
QPEQRALGPV SMPNLVPEVI DLTCHEAGFP PSDDEDEEGE EFVLDYVEHP
160 170 180 190 200
GHGCRSCHYH RRNTGDPDIM CSLCYMRTCG MFVYSPVSEP EPEPEPEPEP
210 220 230 240 250
ARPTRRPKLV PAILRRPTSP VSRECNSSTD SCDSGPSNTP PEIHPVVPLC
260 270 280
PIKPVAVRVG GRRQAVECIE DLLNESGQPL DLSCKRPRP
Length:289
Mass (Da):31,851
Last modified:July 21, 1986 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i4264747DAD74FFC5
GO
Isoform early E1A 26 kDa protein (identifier: P03254-2) [UniParc]FASTAAdd to basket
Also known as: 243R, S-E1A

The sequence of this isoform differs from the canonical sequence as follows:
     140-185: Missing.

Show »
Length:243
Mass (Da):26,452
Checksum:i0408B45F94D2F250
GO
Isoform early E1A 6 kDa protein (identifier: P03254-3) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     29-55: ADNLPPPSHFEPPTLHELYDLDVTAPE → CLNLSLSPSQNRSLQDLPGVLNWCLLS
     56-289: Missing.

Show »
Length:55
Mass (Da):6,075
Checksum:i078B55A060462F3A
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti68D → E in AAA92197 (PubMed:7142161).Curated1
Sequence conflicti68D → E in AAA92199 (PubMed:7142161).Curated1
Sequence conflicti81L → F in AAA92197 (PubMed:7142161).Curated1
Sequence conflicti81L → F in AAA92199 (PubMed:7142161).Curated1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘Sequence’ section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting. The information stored in this subsection is used to automatically construct alternative protein sequence(s) for display.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_02891629 – 55ADNLP…VTAPE → CLNLSLSPSQNRSLQDLPGV LNWCLLS in isoform early E1A 6 kDa protein. CuratedAdd BLAST27
Alternative sequenceiVSP_02891756 – 289Missing in isoform early E1A 6 kDa protein. CuratedAdd BLAST234
Alternative sequenceiVSP_000197140 – 185Missing in isoform early E1A 26 kDa protein. CuratedAdd BLAST46

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
J01917 Genomic DNA Translation: AAA92197.1
J01917 Genomic DNA Translation: AAA92198.1
J01917 Genomic DNA Translation: AAA92199.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A03824 Q2AD2

NCBI Reference Sequences

More...
RefSeqi
AP_000161.1, AC_000007.1

Keywords - Coding sequence diversityi

Alternative splicing

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
J01917 Genomic DNA Translation: AAA92197.1
J01917 Genomic DNA Translation: AAA92198.1
J01917 Genomic DNA Translation: AAA92199.1
PIRiA03824 Q2AD2
RefSeqiAP_000161.1, AC_000007.1

3D structure databases

SMRiP03254
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

DIPiDIP-570N
ELMiP03254
IntActiP03254, 3 interactors
MINTiP03254

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Phylogenomic databases

OrthoDBiVOG090000J6

Family and domain databases

InterProiView protein in InterPro
IPR014410 Aden_E1A
PfamiView protein in Pfam
PF02703 Adeno_E1A, 1 hit
PIRSFiPIRSF003669 Aden_E1A, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiE1A_ADE02
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P03254
Secondary accession number(s): P24934, Q67788
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: July 21, 1986
Last modified: November 7, 2018
This is version 111 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programViral Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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