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

<p>Describes the catalytic activity of an enzyme, i.e. the chemical reaction it catalyzes. This information usually correlates with the presence of an EC (Enzyme Commission) number in the ‘Names and taxonomy’ section.</p><p><a href='../manual/catalytic_activity' target='_top'>More...</a></p>Catalytic activityⁱ

<p>Describes an enzyme regulatory mechanism and reports the components which regulate (by activation or inhibition) the reaction.</p><p><a href='../manual/enzyme_regulation' target='_top'>More...</a></p>Enzyme regulationⁱ

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Molecular functionⁱ

1. peptide binding Source: UniProtKB-KW
2. peptidyl-prolyl cis-trans isomerase activity Source: UniProtKB-KW

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Biological processⁱ

1. protein folding Source: InterPro

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Molecular functionⁱ

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Ligandⁱ

<p>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><p><a href='../manual/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyⁱ

Organism-specific databases

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

<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><p><a href='../manual/gene_ontology' target='_top'>More...</a></p>GO - Cellular componentⁱ

1. cytoplasm Source: UniProtKB-SubCell
2. extracellular vesicular exosome Source: Ensembl

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Cellular componentⁱ

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

Molecule processing

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Describes the extent of a polypeptide chain in the mature protein following processing.</p><p><a href='../manual/chain' target='_top'>More...</a></p>Chaini	1 – 212	212	Peptidyl-prolyl cis-trans isomerase C		PRO_0000064148	Add BLAST

Proteomic databases

2D gel databases

PTM databases

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

Gene expression databases

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

Protein-protein interaction databases

<p>Provides information on the tertiary structure of a protein.</p><p><a href='../manual/structure_section' target='_top'>More...</a></p>Structureⁱ

Secondary structure

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	35 – 46	12	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	49 – 58	10	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the <span class="caps">DSSP</span> secondary structure code ‘T’.</p><p><a href='../manual/turn' target='_top'>More...</a></p>Turni	60 – 62	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined helical regions within the protein sequence.</p><p><a href='../manual/helix' target='_top'>More...</a></p>Helixi	64 – 75	12	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the <span class="caps">DSSP</span> secondary structure code ‘T’.</p><p><a href='../manual/turn' target='_top'>More...</a></p>Turni	76 – 78	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	86 – 91	6	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the <span class="caps">DSSP</span> secondary structure code ‘T’.</p><p><a href='../manual/turn' target='_top'>More...</a></p>Turni	92 – 94	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	95 – 98	4	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	102 – 107	6	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	131 – 134	4	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	136 – 138	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	146 – 151	6	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined helical regions within the protein sequence.</p><p><a href='../manual/helix' target='_top'>More...</a></p>Helixi	154 – 156	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined hydrogen-bonded turns within the protein sequence. These elements correspond to the <span class="caps">DSSP</span> secondary structure code ‘T’.</p><p><a href='../manual/turn' target='_top'>More...</a></p>Turni	157 – 159	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	162 – 168	7	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined helical regions within the protein sequence.</p><p><a href='../manual/helix' target='_top'>More...</a></p>Helixi	170 – 177	8	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	187 – 189	3	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC
<p>Is used to indicate the positions of experimentally determined beta strands within the protein sequence.</p><p><a href='../manual/strand' target='_top'>More...</a></p>Beta strandi	191 – 206	16	Combined sources <p>Manually validated information inferred from a combination of experimental and computational evidence.</p> <p><a href="/manual/evidences#ECO:0000244">More…</a></p> Manual assertion inferred from combination of experimental and computational evidencei PDB:2RMC

3D structure databases

Miscellaneous databases

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

Domains and Repeats

Feature key	Position(s)	Length	Description	Graphical view	Feature identifier	Actions
<p>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><p><a href='../manual/domain' target='_top'>More...</a></p>Domaini	41 – 198	158	PPIase cyclophilin-typePROSITE-ProRule annotation <p>Manual validated information which has been generated by the UniProtKB automatic annotation system.</p> <p><a href="/manual/evidences#ECO:0000255">More…</a></p> Manual assertion according to rulesi PROSITE-ProRule:PRU00156			Add BLAST

<p>Provides information about the sequence similarity with other proteins.</p><p><a href='../manual/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesⁱ

Phylogenomic databases

Family and domain databases

<p>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 length and molecular weight.</p><p><a href='../manual/sequences_section' target='_top'>More...</a></p>Sequenceⁱ

<p>Indicates if the canonical sequence displayed by default in the entry is complete or not.</p><p><a href='../manual/sequence_status' target='_top'>More...</a></p>Sequence statusⁱ: Complete.

        10         20         30         40         50
MSPGPRLLLP AVLCLGLGAL VSSSGSSGVR KRGPSVTDKV FFDVRIGDKD 
        60         70         80         90        100
VGRIVIGLFG NVVPKTVENF VALATGEKGY GYKGSIFHRV IKDFMIQGGD 
       110        120        130        140        150
FTARDGTGGM SIYGETFPDE NFKLKHYGIG WVSMANAGPD TNGSQFFITL 
       160        170        180        190        200
TKPTWLDGKH VVFGKVLDGM TVVHSIELQA TDGHDRPLTD CTIVNSGKID 
       210 
VKTPFVVEVP DW                                  

Sequence databases

Genome annotation databases

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

Sequence databases

3D structure databases

Protein-protein interaction databases

PTM databases

2D gel databases

Proteomic databases

Protocols and materials databases

Genome annotation databases

Organism-specific databases

Phylogenomic databases

Miscellaneous databases

Gene expression databases

Family and domain databases

<p>Contains the literature citations that are the sources of data used to annotate the entry. Each reference is numbered and contains several subsections allowing a precise description of a given citation.</p><p><a href='../manual/publications_section' target='_top'>More...</a></p>Publicationsⁱ

1. "Two cytoplasmic candidates for immunophilin action are revealed by affinity for a new cyclophilin: one in the presence and one in the absence of CsA."
   Friedman J., Weissman I.L.
   Cell 66:799-806(1991) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [MRNA].
2. "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)."
   The MGC Project Team
   Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract]
   Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
   Strain: C57BL/6J.
   Tissue: Mammary gland.
   
3. "Crystal structure of murine cyclophilin C complexed with immunosuppressive drug cyclosporin A."
   Ke H., Zhao Y., Luo F., Weissman I.L., Friedman J.
   Proc. Natl. Acad. Sci. U.S.A. 90:11850-11854(1993) [PubMed] [Europe PMC] [Abstract]
   Cited for: X-RAY CRYSTALLOGRAPHY (1.64 ANGSTROMS) IN COMPLEX WITH CSA.

<p>Provides general information on the entry.</p><p><a href='../manual/entry_information_section' target='_top'>More...</a></p>Entry informationⁱ

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

<p>UniProtKB Keywords constitute a <a target="_top" href="/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>Keywords - Technical termⁱ

Documents

1. MGD cross-references
   Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
2. PDB cross-references
   Index of Protein Data Bank (PDB) cross-references
3. SIMILARITY comments
   Index of protein domains and families

External Data

<p>Provides links to the UniProt Reference Clusters (<a href="/help/uniref">UniRef</a>). UniRef consists of clusters for UniProtKB sequences (including isoforms) and selected UniParc sequences, in order to obtain complete coverage of the sequence space at resolutions of 100%, 90% and 50% identity.</p><p><a href='../manual/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsⁱ