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P35750

- CAN1_PIG

UniProt

P35750 - CAN1_PIG

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Protein

Calpain-1 catalytic subunit

Gene
CAPN1
Organism
Sus scrofa (Pig)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at transcript leveli

Functioni

Calcium-regulated non-lysosomal thiol-protease which catalyze limited proteolysis of substrates involved in cytoskeletal remodeling and signal transduction.

Catalytic activityi

Broad endopeptidase specificity.

Cofactori

Binds 4 calcium ions By similarity.

Enzyme regulationi

Activated by micromolar concentrations of calcium and inhibited by calpastatin.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sitei15 – 162Cleavage; for 78 kDa form By similarity
Sitei27 – 282Cleavage; for 75 kDa form By similarity
Active sitei115 – 1151 By similarity
Active sitei272 – 2721 By similarity
Active sitei296 – 2961 By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Calcium bindingi99 – 10681 By similarity
Calcium bindingi302 – 333322 By similarityAdd
BLAST
Calcium bindingi598 – 609123 By similarityAdd
BLAST
Calcium bindingi628 – 639124 By similarityAdd
BLAST

GO - Molecular functioni

  1. calcium-dependent cysteine-type endopeptidase activity Source: UniProtKB
  2. calcium ion binding Source: InterPro

GO - Biological processi

  1. proteolysis Source: UniProtKB
  2. receptor catabolic process Source: Ensembl
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase, Protease, Thiol protease

Keywords - Ligandi

Calcium, Metal-binding

Enzyme and pathway databases

BRENDAi3.4.22.52. 6170.
ReactomeiREACT_227832. Degradation of the extracellular matrix.

Protein family/group databases

MEROPSiC02.001.

Names & Taxonomyi

Protein namesi
Recommended name:
Calpain-1 catalytic subunit (EC:3.4.22.52)
Alternative name(s):
Calcium-activated neutral proteinase 1
Short name:
CANP 1
Calpain mu-type
Calpain-1 large subunit
Micromolar-calpain
Short name:
muCANP
Gene namesi
Name:CAPN1
OrganismiSus scrofa (Pig)
Taxonomic identifieri9823 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaSuinaSuidaeSus
ProteomesiUP000008227: Chromosome 2

Subcellular locationi

Cytoplasm By similarity. Cell membrane By similarity
Note: Translocates to the plasma membrane upon Ca2+ binding By similarity.

GO - Cellular componenti

  1. cytoplasm Source: RefGenome
  2. plasma membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Cytoplasm, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed By similarity
Chaini2 – 714713Calpain-1 catalytic subunitPRO_0000207697Add
BLAST

Post-translational modificationi

Undergoes calcium-induced successive autoproteolytic cleavages that generate a membrane-bound 78 kDa active form and an intracellular 75 kDa active form. Calpastatin reduces with high efficiency the transition from 78 kDa to 75 kDa calpain forms By similarity.

Keywords - PTMi

Autocatalytic cleavage

Proteomic databases

PaxDbiP35750.
PRIDEiP35750.

Expressioni

Tissue specificityi

Ubiquitous.

Interactioni

Subunit structurei

Forms a heterodimer with a small (regulatory) subunit (CAPNS1).

Structurei

3D structure databases

ProteinModelPortaliP35750.
SMRiP35750. Positions 13-713.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini55 – 354300Calpain catalyticAdd
BLAST
Domaini585 – 61834EF-hand 1Add
BLAST
Domaini615 – 65036EF-hand 2Add
BLAST
Domaini680 – 71435EF-hand 3Add
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni355 – 526172Domain IIIAdd
BLAST
Regioni527 – 54216LinkerAdd
BLAST
Regioni543 – 713171Domain IVAdd
BLAST

Sequence similaritiesi

Belongs to the peptidase C2 family.
Contains 3 EF-hand domains.

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiNOG327523.
GeneTreeiENSGT00750000117643.
HOGENOMiHOG000232035.
HOVERGENiHBG012645.
KOiK01367.
OMAiPQSLGYK.
OrthoDBiEOG7RV9FM.
TreeFamiTF314748.

Family and domain databases

Gene3Di1.10.238.10. 1 hit.
InterProiIPR022684. Calpain_cysteine_protease.
IPR022682. Calpain_domain_III.
IPR022683. Calpain_III.
IPR011992. EF-hand-dom_pair.
IPR018247. EF_Hand_1_Ca_BS.
IPR002048. EF_hand_dom.
IPR000169. Pept_cys_AS.
IPR001300. Peptidase_C2_calpain_cat.
[Graphical view]
PfamiPF01067. Calpain_III. 1 hit.
PF13405. EF-hand_6. 1 hit.
PF00648. Peptidase_C2. 1 hit.
[Graphical view]
PRINTSiPR00704. CALPAIN.
SMARTiSM00720. calpain_III. 1 hit.
SM00230. CysPc. 1 hit.
SM00054. EFh. 3 hits.
[Graphical view]
SUPFAMiSSF49758. SSF49758. 1 hit.
PROSITEiPS50203. CALPAIN_CAT. 1 hit.
PS00018. EF_HAND_1. 2 hits.
PS50222. EF_HAND_2. 3 hits.
PS00139. THIOL_PROTEASE_CYS. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P35750-1 [UniParc]FASTAAdd to Basket

« Hide

MAEEVITPVY CTGVSAQVQK LRAKELGLGR HENAIKYLGQ DYEQLRAHCL    50
QSGSLFRDEA FPPVPQSLGF KELGPNSSKT YGVKWKRPTE LFSNPQFIVD 100
GATRTDICQG ALGDCWLLAA IASLTLNDTL LHRVVPHGQS FQNGYAGIFH 150
FQLWQFGEWV DVVVDDLLPT KDGKLVFVHS AQGNEFWSAL LEKAYAKVNG 200
SYEALSGGST SEGFEDFTGG VTEWYELRKA PSDLYSIILK ALERGSLLGC 250
SIDISSVLDM EAVTFKKLVK GHAYSVTGAK QVNYQGQMVN LIRMRNPWGE 300
VEWTGAWSDG SSEWNGVDPY QRDQLRVRME DGEFWMSFRD FLREFTRLEI 350
CNLTPDALKS QRVRNWNTTL YEGTWRRGST AGGCRNYPAT FWVNPQFKIR 400
LEETDDPEDD YGGRESGCSF VLALMQKHRR RERRFGRDME TIGFAVYEVP 450
PELVGQPVHL KRDFFLANAS RARSEQFINL REVSTRFRLP PGEYVVVPST 500
FEPNKEGDFV LRFFSEKKAG TQELDDQVQA ILPDEQVLSE EEIDENFKAL 550
FRQLAGEDME ISVRELRTIL NRIISKHKDL RTKGFSLESC RSMVNLMDRD 600
GNGKLGLVEF NILWNRIRNY LSIFRKFDLD KSGSMSAYEM RMAIESAGFK 650
LNKKLFELII TRYSEPDLAV DFDNFVCCLV RLETMFRFFK TLDTDLDGVV 700
TFDLFKWLQL TMFA 714
Length:714
Mass (Da):81,739
Last modified:January 11, 2001 - v3
Checksum:i0BB31DE4FC56363A
GO

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti528 – 5281V → I in AAA65125. 1 Publication
Sequence conflicti531 – 5311I → N in AAA65125. 1 Publication
Sequence conflicti541 – 5411E → G in AAA65125. 1 Publication
Sequence conflicti622 – 6221S → A in AAA65125. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF263610 mRNA. Translation: AAF73444.1.
F14611 mRNA. Translation: CAA23154.1.
U01180 mRNA. Translation: AAA65125.1.
RefSeqiXP_005660758.1. XM_005660701.1.
XP_005660759.1. XM_005660702.1.
UniGeneiSsc.42541.

Genome annotation databases

EnsembliENSSSCT00000014210; ENSSSCP00000013824; ENSSSCG00000012999.
GeneIDi397027.
KEGGissc:397027.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF263610 mRNA. Translation: AAF73444.1 .
F14611 mRNA. Translation: CAA23154.1 .
U01180 mRNA. Translation: AAA65125.1 .
RefSeqi XP_005660758.1. XM_005660701.1.
XP_005660759.1. XM_005660702.1.
UniGenei Ssc.42541.

3D structure databases

ProteinModelPortali P35750.
SMRi P35750. Positions 13-713.
ModBasei Search...
MobiDBi Search...

Chemistry

BindingDBi P35750.
ChEMBLi CHEMBL4062.

Protein family/group databases

MEROPSi C02.001.

Proteomic databases

PaxDbi P35750.
PRIDEi P35750.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENSSSCT00000014210 ; ENSSSCP00000013824 ; ENSSSCG00000012999 .
GeneIDi 397027.
KEGGi ssc:397027.

Organism-specific databases

CTDi 823.

Phylogenomic databases

eggNOGi NOG327523.
GeneTreei ENSGT00750000117643.
HOGENOMi HOG000232035.
HOVERGENi HBG012645.
KOi K01367.
OMAi PQSLGYK.
OrthoDBi EOG7RV9FM.
TreeFami TF314748.

Enzyme and pathway databases

BRENDAi 3.4.22.52. 6170.
Reactomei REACT_227832. Degradation of the extracellular matrix.

Family and domain databases

Gene3Di 1.10.238.10. 1 hit.
InterProi IPR022684. Calpain_cysteine_protease.
IPR022682. Calpain_domain_III.
IPR022683. Calpain_III.
IPR011992. EF-hand-dom_pair.
IPR018247. EF_Hand_1_Ca_BS.
IPR002048. EF_hand_dom.
IPR000169. Pept_cys_AS.
IPR001300. Peptidase_C2_calpain_cat.
[Graphical view ]
Pfami PF01067. Calpain_III. 1 hit.
PF13405. EF-hand_6. 1 hit.
PF00648. Peptidase_C2. 1 hit.
[Graphical view ]
PRINTSi PR00704. CALPAIN.
SMARTi SM00720. calpain_III. 1 hit.
SM00230. CysPc. 1 hit.
SM00054. EFh. 3 hits.
[Graphical view ]
SUPFAMi SSF49758. SSF49758. 1 hit.
PROSITEi PS50203. CALPAIN_CAT. 1 hit.
PS00018. EF_HAND_1. 2 hits.
PS50222. EF_HAND_2. 3 hits.
PS00139. THIOL_PROTEASE_CYS. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Rapid communication: nucleotide sequences of two isoforms of porcine micromolar calcium-activated neutral protease 1 cDNA."
    Smith T.P.L., Simmen F.A., Zhao G., Vallet J.L.
    J. Anim. Sci. 79:552-553(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
  2. "Evaluation and characterization of a porcine small intestine cDNA library: analysis of 839 clones."
    Winteroe A.K., Fredholm M., Davies W.
    Mamm. Genome 7:509-517(1996) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 326-415.
    Tissue: Small intestine.
  3. "Cloning the partial cDNAs of mu-calpain and m-calpain from porcine skeletal muscle."
    Sun W., Ji S.Q., Ebert P.J., Bidwell C.A., Hancock D.L.
    Biochimie 75:931-936(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 528-623.
    Tissue: Skeletal muscle.

Entry informationi

Entry nameiCAN1_PIG
AccessioniPrimary (citable) accession number: P35750
Secondary accession number(s): Q29600, Q9N0M6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: January 11, 2001
Last modified: September 3, 2014
This is version 124 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Peptidase families
    Classification of peptidase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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