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UniProtKB - Q67726 (NS1AB_HASV1)

Entry version 95 (07 Apr 2021)
Sequence version 1 (01 Nov 1996)
Previous versions | rss
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Protein

Non-structural polyprotein 1AB

Gene

ORF1

Organism
Human astrovirus-1 (HAstV-1)
Status
Reviewed-Annotation score:

Annotation score:5 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

contains the viral protease participating in the cleavage of the polyprotein into functional products. It contains also the activities necessary for replication of genomic RNA, as well as transcription of subgenomic mRNA.
protein covalently attached to the 5' extremity of the genomic and subgenomic RNAs.By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei461Charge relay system; for serine protease activityBy similarity1
Active sitei489Charge relay system; for serine protease activityBy similarity1
Active sitei551Charge relay system; for serine protease activityBy similarity1

<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

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<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 functionHydrolase, Nucleotidyltransferase, Protease, RNA-directed RNA polymerase, Thiol protease, Transferase
Biological processViral RNA replication
LigandATP-binding, Nucleotide-binding

Protein family/group databases

MEROPS protease database

More...MEROPSi		S01.109

<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%5Fand%5Ftaxonomy%5Fsection">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:
Non-structural polyprotein 1AB
Cleaved into the following 6 chains:
VPg
Protein p19
Transmembrane protein 1A
Serine protease p27 (EC:3.4.21.-)
Short name:
p27
Protein p20
RNA-directed RNA polymerase p57 (EC:2.7.7.48)
Short name:
p57
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:ORF1
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 astrovirus-1 (HAstV-1)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 identifieri12456 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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 lineageiViruses › Riboviria › Orthornavirae › Pisuviricota › Stelpaviricetes › Stellavirales › Astroviridae › Mamastrovirus ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">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%5Fand%5Ftaxonomy%5Fsection">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
  • UP000001650 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei156 – 176HelicalSequence analysisAdd BLAST21
Transmembranei239 – 259HelicalSequence analysisAdd BLAST21
Transmembranei286 – 306HelicalSequence analysisAdd BLAST21
Transmembranei313 – 333HelicalSequence analysisAdd BLAST21
Transmembranei344 – 364HelicalSequence analysisAdd BLAST21

Keywords - Cellular componenti

Host membrane, Membrane

<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 or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00003272711 – 1436Non-structural polyprotein 1ABAdd BLAST1436
ChainiPRO_00003272721 – 175Protein p19Sequence analysisAdd BLAST175
ChainiPRO_0000327273176 – 419Transmembrane protein 1ASequence analysisAdd BLAST244
ChainiPRO_0000327274420 – 664Serine protease p27Sequence analysisAdd BLAST245
ChainiPRO_0000419586665 – 755VPgSequence analysisAdd BLAST91
ChainiPRO_0000327275756 – 933Protein p20Sequence analysisAdd BLAST178
ChainiPRO_0000327276934 – 1436RNA-directed RNA polymerase p57Sequence analysisAdd BLAST503

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Cleaved presumably by viral and host proteases.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei175 – 176CleavageSequence analysis2
Sitei419 – 420CleavageSequence analysis2
Sitei664 – 665CleavageSequence analysis2
Sitei755 – 756CleavageSequence analysis2
Sitei933 – 934CleavageSequence analysis2

Proteomic databases

PRoteomics IDEntifications database

More...PRIDEi		Q67726

<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

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini1181 – 1307RdRp catalyticPROSITE-ProRule annotationAdd BLAST127

Coiled coil

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and domains' section denotes the positions of regions of coiled coil within the protein.<p><a href='/help/coiled' target='_top'>More...</a></p>Coiled coili104 – 142Sequence analysisAdd BLAST39
Coiled coili587 – 620Sequence analysisAdd BLAST34

<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 astroviridae polyprotein 1AB family.Curated

Keywords - Domaini

Coiled coil, Transmembrane, Transmembrane helix

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		2.40.10.10, 2 hits
3.30.70.270, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR022068, Astroviridae_polyprotein_1
IPR043502, DNA/RNA_pol_sf
IPR009003, Peptidase_S1_PA
IPR043504, Peptidase_S1_PA_chymotrypsin
IPR043128, Rev_trsase/Diguanyl_cyclase
IPR001205, RNA-dir_pol_C
IPR007094, RNA-dir_pol_PSvirus

Pfam protein domain database

More...Pfami		View protein in Pfam
PF12285, DUF3621, 2 hits
PF00680, RdRP_1, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF50494, SSF50494, 1 hit
SSF56672, SSF56672, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS50507, RDRP_SSRNA_POS, 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%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequences (2)i

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">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.

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry describes 2 <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. This section is only present in reviewed entries, i.e. in UniProtKB/Swiss-Prot.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by ribosomal frameshifting. AlignAdd to basket
Isoform nsp1ab (identifier: Q67726-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali 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
MAYGEPYYSS KPDKDFNFGS TMARRQMTPT MVTKLPKFVR NSPQAYDWIV 
        60         70         80         90        100
RGLIFPTIGK TYFQRVVVIT GGLEDGTYGS FAFDGKEWVG IYPIEHLNLM 
       110        120        130        140        150
SSLKLIHKAN ALQERLRLSQ EEKATLALDV QFLQHENVRL KEMIPKPEPR 
       160        170        180        190        200
KIQMKWIIMG AVLTFLSLIP GGYAHSQTNN TIFTDMIAAC KYSTETLTEN 
       210        220        230        240        250
LDLRIKLALA NITISDKLDA VRQILNFAFV PRAHWLRTVF YYIHYYEMWN 
       260        270        280        290        300
IFMFVLAIGT VMRSARPGTD LVTLATSHLS GFRMAVLPTI PFHTTMTLWV 
       310        320        330        340        350
MNTLMVCYYF DNLLAITLAI LAPILGIIFL CFMEDSNYVS QIRGLIATAV 
       360        370        380        390        400
LIAGGHACLT LTGTTTSLFV VILTCRFIRM ATVFIGTRFE IRDANGKVVA 
       410        420        430        440        450
TVPTRIKNVA FDFFQKLKQS GVRVGVNEFV VIKPGALCVI DTPEGKGTGF 
       460        470        480        490        500
FSGNDIVTAA HVVGNNTFVN VCYEGLMYEA KVRYMPEKDI AFLTCPGDLH 
       510        520        530        540        550
PTARLKLSKN PDYSCVTVMA YVNEDLVVST AAAMVHGNTL SYAVRTQDGM 
       560        570        580        590        600
SGAPVCDKYG RVLAVHQTNT GYTGGAVIID PADFHPVKAP SQVELLKEEI 
       610        620        630        640        650
ERLKAQLNSA TENATTVVTQ QPSAALEQKS VSDSDVVDLV RTAMEREMKV 
       660        670        680        690        700
LRDEINGILA PFLQKKKGKT KHGRGRVRRN LRKGVKLLTE EEYRELLEKG 
       710        720        730        740        750
LDRETFLDLI DRIIGERSGY PDYDDEDYYD EDDDGWGMVG DDVEFDYTEV 
       760        770        780        790        800
INFDQAKPIP APRTTKQKIC PEPEVESQPL DLSQKKEKQS EYEQQVVKST 
       810        820        830        840        850
KPQQLEHEQQ VVKPIKPQKS EPQPYSQTYG KAPIWESYDF DWDEDDAKFI 
       860        870        880        890        900
LPAPHRLTKA DEIVLGSKIV KLRTIIETAI KTQNYSALPE AVFELDKAAY 
       910        920        930        940        950
EAGLEGFLQR VKSKNKAPEK QGPKKLQRAP EDQGAQNYHS LDAWKLLLEP 
       960        970        980        990       1000
PRERRCVPAN FPLLGHLPIN RPIFDDKKPR DDLLGLLPEP TWHAFEEYGP 
      1010       1020       1030       1040       1050
TTWGPQAFIK SFDKFFYAEP IDFFSEYPQL CAFADWATYR EFRYLEDTRV 
      1060       1070       1080       1090       1100
IHITATEKNT DSTPAYPKMN YFDTEENYLE AHGWAPYIRE FTRVYKGDKP 
      1110       1120       1130       1140       1150
EVLWYLFLKK EIIKEEKIRN SDIRQIVCAD PIYTRIGACL EAHQNALMKQ 
      1160       1170       1180       1190       1200
HTDTSVGQCG WSPMEGGFKK TMQRLVNKGN KHFIEFDWTR YDGTIPPALF 
      1210       1220       1230       1240       1250
KHIKEIRWNF INKDQREKYR HVHEWYVNNL LNRHVLLPSG EVTLQTRGNP 
      1260       1270       1280       1290       1300
SGQFSTTMDN NMVNFWLQAF EFAYFNGPDR DLWKTYDTVV YGDDRLSTTP 
      1310       1320       1330       1340       1350
SVPDDYEERV ITMYRDIFGM WVKPGKVICR DSIVGLSFCG FTVNENLEPV 
      1360       1370       1380       1390       1400
PTSPEKLMAS LLKPYKILPD LESLHGKLLC YQLLAAFMAE DHPFKVYVEH 
      1410       1420       1430 
CLSRTAKQLR DSGLPARLTE EQLHRIWRGG PKKCDG
Note: Generated by a ribosomal frameshift at position 919.
Length:1,436
Mass (Da):163,874
Last modified:November 1, 1996 - 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:iCEC41D44BCACD32F
GO
Isoform nsp1a (identifier: P0C6K4-1) [UniParc]FASTAAdd to basket
The sequence of this isoform can be found in the external entry P0C6K4.
Isoforms of the same protein are often annotated in two different entries if their sequences differ significantly.
Length:935
Mass (Da):105,182
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
Z25771 Genomic RNA Translation: CAA81033.1

Protein sequence database of the Protein Information Resource

More...PIRi		C49529

Keywords - Coding sequence diversityi

Ribosomal frameshifting

<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
Z25771 Genomic RNA Translation: CAA81033.1
PIRiC49529

3D structure databases

Database of comparative protein structure models

More...ModBasei		Search...

SWISS-MODEL Interactive Workspace

More...SWISS-MODEL-Workspacei		Submit a new modelling project...

Protein family/group databases

MEROPSiS01.109

Proteomic databases

PRIDEiQ67726

Family and domain databases

Gene3Di2.40.10.10, 2 hits
3.30.70.270, 1 hit
InterProiView protein in InterPro
IPR022068, Astroviridae_polyprotein_1
IPR043502, DNA/RNA_pol_sf
IPR009003, Peptidase_S1_PA
IPR043504, Peptidase_S1_PA_chymotrypsin
IPR043128, Rev_trsase/Diguanyl_cyclase
IPR001205, RNA-dir_pol_C
IPR007094, RNA-dir_pol_PSvirus
PfamiView protein in Pfam
PF12285, DUF3621, 2 hits
PF00680, RdRP_1, 1 hit
SUPFAMiSSF50494, SSF50494, 1 hit
SSF56672, SSF56672, 1 hit
PROSITEiView protein in PROSITE
PS50507, RDRP_SSRNA_POS, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...ProtoNeti		Search...

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		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 nameiNS1AB_HASV1
<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: Q67726
<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%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 8, 2008
Last sequence update: November 1, 1996
Last modified: April 7, 2021
This is version 95 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

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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