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6XQN

Structure of a mitochondrial calcium uniporter holocomplex (MICU1, MICU2, MCU, EMRE) in low Ca2+

Functional Information from GO Data
ChainGOidnamespacecontents
A0051560biological_processmitochondrial calcium ion homeostasis
B0051560biological_processmitochondrial calcium ion homeostasis
C0051560biological_processmitochondrial calcium ion homeostasis
D0051560biological_processmitochondrial calcium ion homeostasis
E0036444biological_processcalcium import into the mitochondrion
E0051560biological_processmitochondrial calcium ion homeostasis
E1990246cellular_componentuniplex complex
G0036444biological_processcalcium import into the mitochondrion
G0051560biological_processmitochondrial calcium ion homeostasis
G1990246cellular_componentuniplex complex
H0036444biological_processcalcium import into the mitochondrion
H0051560biological_processmitochondrial calcium ion homeostasis
H1990246cellular_componentuniplex complex
I0005509molecular_functioncalcium ion binding
I0006851biological_processmitochondrial calcium ion transmembrane transport
J0005509molecular_functioncalcium ion binding
J0006851biological_processmitochondrial calcium ion transmembrane transport
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue CA B 401
ChainResidue
AGLU264
BGLU264
CGLU264
DGLU264

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DLNGDGEVDmeEF
ChainResidueDetails
IASP231-PHE243
IASP421-PHE433

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues27
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"32667285","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32841658","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6X4S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6XQN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues164
DetailsTransmembrane: {"description":"Helical","evidences":[{"source":"PubMed","id":"32667285","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6XQN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues32
DetailsTopological domain: {"description":"Mitochondrial intermembrane","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues136
DetailsCoiled coil: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues40
DetailsMotif: {"description":"Selectivity filter","evidences":[{"source":"PubMed","id":"32667285","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"32667285","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32841658","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6X4S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6XQN","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues35
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues3
DetailsRegion: {"description":"K/R-ring","evidences":[{"source":"PubMed","id":"32494073","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24514027","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"24514027","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32790952","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6LB7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q8VCX5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues35
DetailsDomain: {"description":"EF-hand 3; degenerate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues35
DetailsDomain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31397067","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32790952","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6IIH","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"6LB7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31397067","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6IIH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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