CPLM 1.0 - Compendium of Protein Lysine Modification
TagContent
CPLM ID CPLM-020023
UniProt Accession
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
 Calcium uptake protein 1, mitochondrial 
Protein Synonyms/Alias
 Atopy-related autoantigen CALC; ara CALC; Calcium-binding atopy-related autoantigen 1; Hom s 4 
Gene Name
 MICU1 
Gene Synonyms/Alias
 CALC; CBARA1 
Created Date
 July 27, 2013 
Organism
 Homo sapiens (Human) 
NCBI Taxa ID
 9606 
Lysine Modification
Position
Peptide
Type
References
294LKGKLTIKNFLEFQRubiquitination[1]
Reference
 [1] A proteome-wide, quantitative survey of in vivo ubiquitylation sites reveals widespread regulatory roles.
 Wagner SA, Beli P, Weinert BT, Nielsen ML, Cox J, Mann M, Choudhary C.
 Mol Cell Proteomics. 2011 Oct;10(10):M111.013284. [PMID: 21890473
Functional Description
 Key regulator of mitochondrial calcium uniporter (MCU) required to limit calcium uptake by MCU when cytoplasmic calcium is low. Acts as a gatekeeper that senses calcium level via its EF- hand domains and sets a threshold for mitochondrial calcium uptake by MCU, thereby preventing mitochondrial calcium overload. Regulates glucose-dependent insulin secretion in pancreatic beta- cells by regulating mitochondrial calcium uptake. Induces T-helper 1-mediated autoreactivity, which is accompanied by the release of IFNG. 
Sequence Annotation
 DOMAIN 218 253 EF-hand 1.
 DOMAIN 408 443 EF-hand 2.  
Keyword
 Allergen; Alternative splicing; Calcium; Calcium transport; Complete proteome; Ion transport; Membrane; Metal-binding; Mitochondrion; Mitochondrion inner membrane; Reference proteome; Repeat; Transit peptide; Transmembrane; Transmembrane helix; Transport. 
Sequence Source
 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 
Protein Length
 476 AA 
Protein Sequence
MFRLNSLSAL AELAVGSRWY HGGSQPIQIR RRLMMVAFLG ASAVTASTGL LWKRAHAESP 60
PCVDNLKSDI GDKGKNKDEG DVCNHEKKTA DLAPHPEEKK KKRSGFRDRK VMEYENRIRA 120
YSTPDKIFRY FATLKVISEP GEAEVFMTPE DFVRSITPNE KQPEHLGLDQ YIIKRFDGKK 180
ISQEREKFAD EGSIFYTLGE CGLISFSDYI FLTTVLSTPQ RNFEIAFKMF DLNGDGEVDM 240
EEFEQVQSII RSQTSMGMRH RDRPTTGNTL KSGLCSALTT YFFGADLKGK LTIKNFLEFQ 300
RKLQHDVLKL EFERHDPVDG RITERQFGGM LLAYSGVQSK KLTAMQRQLK KHFKEGKGLT 360
FQEVENFFTF LKNINDVDTA LSFYHMAGAS LDKVTMQQVA RTVAKVELSD HVCDVVFALF 420
DCDGNGELSN KEFVSIMKQR LMRGLEKPKD MGFTRLMQAM WKCAQETAWD FALPKQ 476 
Gene Ontology
 GO:0034704; C:calcium channel complex; ISS:UniProtKB.
 GO:0032592; C:integral to mitochondrial membrane; IDA:UniProtKB.
 GO:0005743; C:mitochondrial inner membrane; IDA:UniProtKB.
 GO:0005509; F:calcium ion binding; IDA:UniProtKB.
 GO:0070509; P:calcium ion import; IDA:UniProtKB.
 GO:0006952; P:defense response; TAS:ProtInc.
 GO:0051560; P:mitochondrial calcium ion homeostasis; IMP:UniProtKB.
 GO:0006851; P:mitochondrial calcium ion transport; IMP:UniProtKB. 
Interpro
 IPR011992; EF-hand-like_dom.
 IPR018247; EF_Hand_1_Ca_BS.
 IPR002048; EF_hand_dom. 
Pfam
 PF13202; EF_hand_3 
SMART
 SM00054; EFh 
PROSITE
 PS00018; EF_HAND_1
 PS50222; EF_HAND_2 
PRINTS