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Entry version 131 (26 Feb 2020)
Sequence version 1 (01 Nov 1990)
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Protein

Interleukin-1 alpha

Gene

IL1A

Organism
Sus scrofa (Pig)
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 transcript 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

Produced by activated macrophages, IL-1 stimulates thymocyte proliferation by inducing IL-2 release, B-cell maturation and proliferation, and fibroblast growth factor activity. IL-1 proteins are involved in the inflammatory response, being identified as endogenous pyrogens, and are reported to stimulate the release of prostaglandin and collagenase from synovial cells.

<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 functionCytokine, Mitogen, Pyrogen
Biological processInflammatory response

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-SSC-448706 Interleukin-1 processing
R-SSC-9020702 Interleukin-1 signaling

<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:
Interleukin-1 alpha
Short name:
IL-1 alpha
<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:IL1A
<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>OrganismiSus scrofa (Pig)
<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 identifieri9823 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaArtiodactylaSuinaSuidaeSus
<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
  • UP000008227 <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: Chromosome 3

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

<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 <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section describes a propeptide, which is a part of a protein that is cleaved during maturation or activation. Once cleaved, a propeptide generally has no independent biological function.<p><a href='/help/propep' target='_top'>More...</a></p>PropeptideiPRO_00000152751 – 112Add BLAST112
<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_0000015276113 – 270Interleukin-1 alphaAdd BLAST158

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 residuei87PhosphoserineBy similarity1
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi102N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi141N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Glycoprotein, Phosphoprotein

Proteomic databases

PaxDb, a database of protein abundance averages across all three domains of life

More...
PaxDbi
P18430

PRoteomics IDEntifications database

More...
PRIDEi
P18430

<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

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSSSCG00000008090 Expressed in lung and 2 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P18430 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P18430 SS

<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

Monomer.

GO - Molecular functioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
9823.ENSSSCP00000008638

<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

More...
SMRi
P18430

Database of comparative protein structure models

More...
ModBasei
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

<p>This subsection of the 'Family and domains' section provides general information on the biological role of a domain. The term 'domain' is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The similarity among the IL-1 precursors suggests that the amino ends of these proteins serve some as yet undefined function.

<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 IL-1 family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410JAAI Eukaryota
ENOG411151X LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000013353

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_090014_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P18430

KEGG Orthology (KO)

More...
KOi
K04383

Identification of Orthologs from Complete Genome Data

More...
OMAi
QKSFYDA

Database of Orthologous Groups

More...
OrthoDBi
1513671at2759

TreeFam database of animal gene trees

More...
TreeFami
TF300203

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR003295 IL-1_alpha
IPR020877 IL-1_CS
IPR000975 IL-1_fam
IPR003502 IL-1_propep
IPR008996 IL1/FGF

The PANTHER Classification System

More...
PANTHERi
PTHR10078:SF33 PTHR10078:SF33, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00340 IL1, 1 hit
PF02394 IL1_propep, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00264 INTERLEUKIN1
PR01358 INTRLEUKIN1A

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF50353 SSF50353, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00253 INTERLEUKIN_1, 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>Sequence (1+)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 has 1 described isoform and 2 potential isoforms that are computationally mapped.Show allAlign All

P18430-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MAKVPDLFED LKNCYSENEE YSSDIDHLSL NQKSFYDASY EPLPGDGMDK
60 70 80 90 100
FMPLSTSKTS KTSRLNFKDS VVMAAANGKI LKKRRLSLNQ FITDDDLEAI
110 120 130 140 150
ANDTEEEIIK PRSATYSFQS NMKYNFMRVI NHQCILNDAR NQSIIRDPSG
160 170 180 190 200
QYLMAAVLNN LDEAVKFDMA AYTSNDDSQL PVTLRISETR LFVSAQNEDE
210 220 230 240 250
PVLLKELPET PKTIKDETSL LFFWEKHGNM DYFKSAAHPK LFIATRQEKL
260 270
VHMAPGLPSV TDFQILENQS
Length:270
Mass (Da):30,789
Last modified:November 1, 1990 - 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:i5677BF2B0EF63839
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There are 2 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A5G2QZE8A0A5G2QZE8_PIG
Interleukin-1
IL1A
269Annotation score:

Annotation score:1 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>
A0A5G2R4M2A0A5G2R4M2_PIG
Interleukin-1
IL1A
258Annotation score:

Annotation score:1 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 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 conflicti89N → I in AAA73198 (Ref. 2) Curated1
Sequence conflicti242F → L in AAA73198 (Ref. 2) Curated1
Sequence conflicti255P → R in AAA73198 (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
X52731 mRNA Translation: CAA36945.1
M86730 mRNA Translation: AAA73198.1

Protein sequence database of the Protein Information Resource

More...
PIRi
I46620
S10532

NCBI Reference Sequences

More...
RefSeqi
NP_999194.1, NM_214029.1
XP_005655255.1, XM_005655198.2
XP_013843310.1, XM_013987856.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSSSCT00000008863; ENSSSCP00000008638; ENSSSCG00000008090
ENSSSCT00005032853; ENSSSCP00005020029; ENSSSCG00005020761
ENSSSCT00015073404; ENSSSCP00015029482; ENSSSCG00015054935
ENSSSCT00025005795; ENSSSCP00025002306; ENSSSCG00025004335
ENSSSCT00030086587; ENSSSCP00030039935; ENSSSCG00030061899
ENSSSCT00035049201; ENSSSCP00035019686; ENSSSCG00035037108
ENSSSCT00040076415; ENSSSCP00040032842; ENSSSCG00040056346
ENSSSCT00045035395; ENSSSCP00045024574; ENSSSCG00045020752
ENSSSCT00050105243; ENSSSCP00050046274; ENSSSCG00050076581
ENSSSCT00060081338; ENSSSCP00060035221; ENSSSCG00060059637
ENSSSCT00065087782; ENSSSCP00065038405; ENSSSCG00065063958

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
397094

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
ssc:397094

<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
X52731 mRNA Translation: CAA36945.1
M86730 mRNA Translation: AAA73198.1
PIRiI46620
S10532
RefSeqiNP_999194.1, NM_214029.1
XP_005655255.1, XM_005655198.2
XP_013843310.1, XM_013987856.1

3D structure databases

SMRiP18430
ModBaseiSearch...

Protein-protein interaction databases

STRINGi9823.ENSSSCP00000008638

Proteomic databases

PaxDbiP18430
PRIDEiP18430

Genome annotation databases

EnsembliENSSSCT00000008863; ENSSSCP00000008638; ENSSSCG00000008090
ENSSSCT00005032853; ENSSSCP00005020029; ENSSSCG00005020761
ENSSSCT00015073404; ENSSSCP00015029482; ENSSSCG00015054935
ENSSSCT00025005795; ENSSSCP00025002306; ENSSSCG00025004335
ENSSSCT00030086587; ENSSSCP00030039935; ENSSSCG00030061899
ENSSSCT00035049201; ENSSSCP00035019686; ENSSSCG00035037108
ENSSSCT00040076415; ENSSSCP00040032842; ENSSSCG00040056346
ENSSSCT00045035395; ENSSSCP00045024574; ENSSSCG00045020752
ENSSSCT00050105243; ENSSSCP00050046274; ENSSSCG00050076581
ENSSSCT00060081338; ENSSSCP00060035221; ENSSSCG00060059637
ENSSSCT00065087782; ENSSSCP00065038405; ENSSSCG00065063958
GeneIDi397094
KEGGissc:397094

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
3552

Phylogenomic databases

eggNOGiENOG410JAAI Eukaryota
ENOG411151X LUCA
GeneTreeiENSGT00390000013353
HOGENOMiCLU_090014_0_0_1
InParanoidiP18430
KOiK04383
OMAiQKSFYDA
OrthoDBi1513671at2759
TreeFamiTF300203

Enzyme and pathway databases

ReactomeiR-SSC-448706 Interleukin-1 processing
R-SSC-9020702 Interleukin-1 signaling

Gene expression databases

BgeeiENSSSCG00000008090 Expressed in lung and 2 other tissues
ExpressionAtlasiP18430 baseline and differential
GenevisibleiP18430 SS

Family and domain databases

InterProiView protein in InterPro
IPR003295 IL-1_alpha
IPR020877 IL-1_CS
IPR000975 IL-1_fam
IPR003502 IL-1_propep
IPR008996 IL1/FGF
PANTHERiPTHR10078:SF33 PTHR10078:SF33, 1 hit
PfamiView protein in Pfam
PF00340 IL1, 1 hit
PF02394 IL1_propep, 1 hit
PRINTSiPR00264 INTERLEUKIN1
PR01358 INTRLEUKIN1A
SUPFAMiSSF50353 SSF50353, 1 hit
PROSITEiView protein in PROSITE
PS00253 INTERLEUKIN_1, 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 nameiIL1A_PIG
<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: P18430
<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: November 1, 1990
Last sequence update: November 1, 1990
Last modified: February 26, 2020
This is version 131 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 programChordata 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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