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Protein

Cystatin-A

Gene

Csta

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score:

Annotation score:3 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

This is an intracellular thiol proteinase inhibitor.

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>Sitei10Reactive site1

<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

  • cysteine-type endopeptidase inhibitor activity Source: GO_Central

<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 functionProtease inhibitor, Thiol protease inhibitor

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-6809371 Formation of the cornified envelope

Protein family/group databases

MEROPS protease database

More...
MEROPSi
I25.001

<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:
Cystatin-A
Alternative name(s):
Cystatin-alpha
Epidermal stefin
Epidermal thiol proteinase inhibitor
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:Csta
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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: Chromosome 11

Organism-specific databases

Rat genome database

More...
RGDi
1309603 Csta

<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; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm

<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_00002071291 – 103Cystatin-AAdd BLAST103

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 residuei1N-acetylmethionine1 Publication1

Keywords - PTMi

Acetylation

Proteomic databases

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

More...
PaxDbi
P01039

PRoteomics IDEntifications database

More...
PRIDEi
P01039

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P01039

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
P01039

<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
ENSRNOG00000033933 Expressed in 1 organ(s), highest expression level in testis

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P01039 RN

<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

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000043059

<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

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
P01039

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

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SMRi
P01039

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

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>Motifi52 – 56Secondary area of contact5

<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 cystatin family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410J1PC Eukaryota
ENOG41121QW LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000155717

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000294175

The HOVERGEN Database of Homologous Vertebrate Genes

More...
HOVERGENi
HBG002292

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P01039

Identification of Orthologs from Complete Genome Data

More...
OMAi
EICIHIM

Database of Orthologous Groups

More...
OrthoDBi
EOG091G12NK

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P01039

TreeFam database of animal gene trees

More...
TreeFami
TF333174

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00042 CY, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000010 Cystatin_dom
IPR018073 Prot_inh_cystat_CS
IPR001713 Prot_inh_stefin

The PANTHER Classification System

More...
PANTHERi
PTHR11414 PTHR11414, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00031 Cystatin, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00295 STEFINA

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00043 CY, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00287 CYSTATIN, 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>Sequence (1+)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 has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

P01039-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDPGTTGIVG GVSEAKPATP EIQEVADKVK RQLEEKTNEK YEKFKVVEYK
60 70 80 90 100
SQVVAGQILF MKVDVGNGRF LHMKVLRGLS GDDDLKLLDY QTNKTKNDEL

TDF
Length:103
Mass (Da):11,563
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:i079D36FA32A5EEE6
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 is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
D3ZAJ1D3ZAJ1_RAT
Cystatin A (Stefin A) (Predicted)
Csta Csta_predicted, rCG_52553
97Annotation 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>

Sequence databases

Protein sequence database of the Protein Information Resource

More...
PIRi
A01275 UDRTS2

NCBI Reference Sequences

More...
RefSeqi
NP_001099347.1, NM_001105877.1

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Rn.78016

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000051936; ENSRNOP00000043059; ENSRNOG00000033933

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
288075

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:288075

UCSC genome browser

More...
UCSCi
RGD:1309603 rat

<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

PIRiA01275 UDRTS2
RefSeqiNP_001099347.1, NM_001105877.1
UniGeneiRn.78016

3D structure databases

ProteinModelPortaliP01039
SMRiP01039
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000043059

Protein family/group databases

MEROPSiI25.001

PTM databases

iPTMnetiP01039
PhosphoSitePlusiP01039

Proteomic databases

PaxDbiP01039
PRIDEiP01039

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSRNOT00000051936; ENSRNOP00000043059; ENSRNOG00000033933
GeneIDi288075
KEGGirno:288075
UCSCiRGD:1309603 rat

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
20863
RGDi1309603 Csta

Phylogenomic databases

eggNOGiENOG410J1PC Eukaryota
ENOG41121QW LUCA
GeneTreeiENSGT00940000155717
HOGENOMiHOG000294175
HOVERGENiHBG002292
InParanoidiP01039
OMAiEICIHIM
OrthoDBiEOG091G12NK
PhylomeDBiP01039
TreeFamiTF333174

Enzyme and pathway databases

ReactomeiR-RNO-6809371 Formation of the cornified envelope

Miscellaneous databases

Protein Ontology

More...
PROi
PR:P01039

Gene expression databases

BgeeiENSRNOG00000033933 Expressed in 1 organ(s), highest expression level in testis
GenevisibleiP01039 RN

Family and domain databases

CDDicd00042 CY, 1 hit
InterProiView protein in InterPro
IPR000010 Cystatin_dom
IPR018073 Prot_inh_cystat_CS
IPR001713 Prot_inh_stefin
PANTHERiPTHR11414 PTHR11414, 1 hit
PfamiView protein in Pfam
PF00031 Cystatin, 1 hit
PRINTSiPR00295 STEFINA
SMARTiView protein in SMART
SM00043 CY, 1 hit
PROSITEiView protein in PROSITE
PS00287 CYSTATIN, 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 nameiCYTA_RAT
<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: P01039
<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: December 5, 2018
This is version 132 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

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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