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UniProtKB - P03120 (VE2_HPV16)

Entry version 168 (23 Feb 2022)
Sequence version 1 (21 Jul 1986)
Previous versions | rss
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Protein

Regulatory protein E2

Gene

E2

Organism
Human papillomavirus type 16
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

Plays a role in the initiation of viral DNA replication. A dimer of E2 interacts with a dimer of E1 in order to improve specificity of E1 DNA binding activity. Once the complex recognizes and binds DNA at specific sites, the E2 dimer is removed from DNA. E2 also regulates viral transcription through binding to the E2RE response element (5'-ACCNNNNNNGGT-3') present in multiple copies in the regulatory regions of the viral genome. Activates or represses transcription depending on E2RE's position with regards to proximal promoter elements including the TATA-box. Repression occurs by sterically hindering the assembly of the transcription initiation complex.

UniRule annotation6 Publications

Miscellaneous

HPV16, in comparison to HPV types 6 and 11, is more often associated with malignant genital cancers in humans.
Part of the antigens expressed and presented within HPV-positive head and neck tumors.2 Publications

<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 functionActivator, DNA-binding, Repressor
Biological processDNA replication, Transcription, Transcription regulation

<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:
Regulatory protein E2UniRule annotation
<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:E2UniRule annotation
<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 papillomavirus type 16
<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 identifieri333760 [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 › Monodnaviria › Shotokuvirae › Cossaviricota › Papovaviricetes › Zurhausenvirales › Papillomaviridae › Firstpapillomavirinae › Alphapapillomavirus ›
<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
  • UP000106302 <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
  • UP000009251 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

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%5Fand%5Fbiotech%5Fsection">'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>Mutagenesisi292K → R: Complete loss of sumoylation. 1 Publication1

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...ChEMBLi		CHEMBL4656

DrugCentral

More...DrugCentrali		P03120

<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_00001331951 – 365Regulatory protein E2Add BLAST365

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 residuei243Phosphoserine; by host1 Publication1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section describes <strong>covalent linkages</strong> of various types formed <strong>between two proteins (interchain cross-links)</strong> or <strong>between two parts of the same protein (intrachain cross-links)</strong>, except the disulfide bonds that are annotated in the <a href="http://www.uniprot.org/manual/disulfid">'Disulfide bond'</a> subsection.<p><a href='/help/crosslnk' target='_top'>More...</a></p>Cross-linki292Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO)UniRule annotation1 Publication

<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

Phosphorylated. Phosphorylation at Ser-243 mediates binding to host Brd4 and is required for host chromosome binding.UniRule annotation2 Publications
Sumoylation plays a regulatory role in E2 transcriptional activity.UniRule annotation1 Publication

Keywords - PTMi

Isopeptide bond, Phosphoprotein, Ubl conjugation

Proteomic databases

PRoteomics IDEntifications database

More...PRIDEi		P03120

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		P03120

<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%5Fsection">'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%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Binds DNA as homodimer.

Interacts with protein E1; this interaction greatly increases E1 DNA-binding activity.

Interacts with protein L1; this interaction enhances E2-dependent replication and transcription activation.

Interacts with protein L2; this interaction inhibits E2 transcriptional activity but not DNA replication function E2.

Interacts with protein E7; this interaction inhibits E7 oncogenic activity.

Interacts with host TAF1; this interaction modulates E2-dependent transcriptional regulation.

Interacts with host BRD4; this interaction mediates E2 transcriptional activation function. Additionally, the interaction with host BRD4 on mitotic chromosomes mediates tethering of the viral genome.

Interacts with host TOPBP1; this interaction is required for optimal viral DNA replication.

UniRule annotation9 Publications

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction%5Fsection">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="https://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated at every <a href="http://www.uniprot.org/help/synchronization">UniProt release</a>.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Hide details

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		4263559, 2 interactors

Database of interacting proteins

More...DIPi		DIP-44574N

Protein interaction database and analysis system

More...IntActi		P03120, 64 interactors

Molecular INTeraction database

More...MINTi		P03120

Chemistry databases

BindingDB database of measured binding affinities

More...BindingDBi		P03120

<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

Secondary structure

1365
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

Biological Magnetic Resonance Data Bank

More...BMRBi		P03120

Small Angle Scattering Biological Data Bank

More...SASBDBi		P03120

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

More...SMRi		P03120

Database of comparative protein structure models

More...ModBasei		Search...

Protein Data Bank in Europe - Knowledge Base

More...PDBe-KBi		Search...

Miscellaneous databases

Relative evolutionary importance of amino acids within a protein sequence

More...EvolutionaryTracei		P03120

<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>Regioni1 – 200Transactivation domainUniRule annotation1 PublicationAdd BLAST200
Regioni285 – 365DNA-binding domainUniRule annotation1 PublicationAdd BLAST81

<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 papillomaviridae E2 protein family.UniRule annotation

Family and domain databases

Database of protein disorder

More...DisProti		DP01428

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		1.10.287.30, 1 hit
2.170.200.10, 1 hit
3.30.70.330, 1 hit

HAMAP database of protein families

More...HAMAPi		MF_04001, PPV_E2, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR035975, E2/EBNA1_C_sf
IPR012677, Nucleotide-bd_a/b_plait_sf
IPR000427, Papillomavirus_E2_C
IPR001866, Papillomavirus_E2_N
IPR033668, Reg_prot_E2
IPR036050, Regulatory_protein_E2_N
IPR042503, Regulatory_protein_E2_N_1
IPR042504, Regulatory_protein_E2_N_2

Pfam protein domain database

More...Pfami		View protein in Pfam
PF00511, PPV_E2_C, 1 hit
PF00508, PPV_E2_N, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF51332, SSF51332, 1 hit
SSF54957, SSF54957, 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>Sequencei

<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.

P03120-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
METLCQRLNV CQDKILTHYE NDSTDLRDHI DYWKHMRLEC AIYYKAREMG 
        60         70         80         90        100
FKHINHQVVP TLAVSKNKAL QAIELQLTLE TIYNSQYSNE KWTLQDVSLE 
       110        120        130        140        150
VYLTAPTGCI KKHGYTVEVQ FDGDICNTMH YTNWTHIYIC EEASVTVVEG 
       160        170        180        190        200
QVDYYGLYYV HEGIRTYFVQ FKDDAEKYSK NKVWEVHAGG QVILCPTSVF 
       210        220        230        240        250
SSNEVSSPEI IRQHLANHPA ATHTKAVALG TEETQTTIQR PRSEPDTGNP 
       260        270        280        290        300
CHTTKLLHRD SVDSAPILTA FNSSHKGRIN CNSNTTPIVH LKGDANTLKC 
       310        320        330        340        350
LRYRFKKHCT LYTAVSSTWH WTGHNVKHKS AIVTLTYDSE WQRDQFLSQV 
       360 
KIPKTITVST GFMSI
Length:365
Mass (Da):41,825
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:i27581F82B246E112
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 conflicti77L → P in AAQ10715 (Ref. 2) Curated1
Sequence conflicti210I → T in AAQ10715 (Ref. 2) Curated1
Sequence conflicti219P → S in AAQ10715 (Ref. 2) Curated1
Sequence conflicti310T → K in AAQ10715 (Ref. 2) Curated1

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
K02718 Genomic DNA Translation: AAA46941.1
AF536179 Genomic DNA Translation: AAQ10715.1

Protein sequence database of the Protein Information Resource

More...PIRi		A03669, W2WLHS

NCBI Reference Sequences

More...RefSeqi		NP_041328.1, NC_001526.4

Genome annotation databases

Database of genes from NCBI RefSeq genomes

More...GeneIDi		1489080

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		vg:1489080

<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
K02718 Genomic DNA Translation: AAA46941.1
AF536179 Genomic DNA Translation: AAQ10715.1
PIRiA03669, W2WLHS
RefSeqiNP_041328.1, NC_001526.4

3D structure databases

Select the link destinations:

Protein Data Bank Europe

More...PDBei

Protein Data Bank RCSB

More...RCSB PDBi

Protein Data Bank Japan

More...PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1BY9X-ray2.20A285-365[»]
1DTOX-ray1.90A1-201[»]
1R8PNMR-A/B286-365[»]
1ZZFNMR-A/B286-365[»]
2NNUX-ray1.59A1-201[»]
2Q79X-ray1.80A285-365[»]
3MI7X-ray2.20X283-365[»]
BMRBiP03120
SASBDBiP03120
SMRiP03120
ModBaseiSearch...
PDBe-KBiSearch...

Protein-protein interaction databases

BioGRIDi4263559, 2 interactors
DIPiDIP-44574N
IntActiP03120, 64 interactors
MINTiP03120

Chemistry databases

BindingDBiP03120
ChEMBLiCHEMBL4656
DrugCentraliP03120

PTM databases

iPTMnetiP03120

Proteomic databases

PRIDEiP03120

Protocols and materials databases

The DNASU plasmid repository

More...DNASUi		1489080

Genome annotation databases

GeneIDi1489080
KEGGivg:1489080

Miscellaneous databases

EvolutionaryTraceiP03120

Protein Ontology

More...PROi		PR:P03120

Family and domain databases

DisProtiDP01428
Gene3Di1.10.287.30, 1 hit
2.170.200.10, 1 hit
3.30.70.330, 1 hit
HAMAPiMF_04001, PPV_E2, 1 hit
InterProiView protein in InterPro
IPR035975, E2/EBNA1_C_sf
IPR012677, Nucleotide-bd_a/b_plait_sf
IPR000427, Papillomavirus_E2_C
IPR001866, Papillomavirus_E2_N
IPR033668, Reg_prot_E2
IPR036050, Regulatory_protein_E2_N
IPR042503, Regulatory_protein_E2_N_1
IPR042504, Regulatory_protein_E2_N_2
PfamiView protein in Pfam
PF00511, PPV_E2_C, 1 hit
PF00508, PPV_E2_N, 1 hit
SUPFAMiSSF51332, SSF51332, 1 hit
SSF54957, SSF54957, 1 hit

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 nameiVE2_HPV16
<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: P03120
Secondary accession number(s): Q71BI4
<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: July 21, 1986
Last sequence update: July 21, 1986
Last modified: February 23, 2022
This is version 168 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

3D-structure, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families
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