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6XQO

Structure of the human MICU1-MICU2 heterodimer, calcium bound, in association with a lipid nanodisc

Functional Information from GO Data
ChainGOidnamespacecontents
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 Residues5
Detailsbinding site for residue CA I 501
ChainResidue
IASP231
IASN233
IASP235
IGLU237
IGLU242

site_idAC2
Number of Residues5
Detailsbinding site for residue CA I 502
ChainResidue
IGLU432
IASP421
IASP423
IASN425
IGLU427

site_idAC3
Number of Residues5
Detailsbinding site for residue CA J 501
ChainResidue
JASP185
JASP187
JASN189
JMET191
JGLU196

site_idAC4
Number of Residues6
Detailsbinding site for residue CA J 502
ChainResidue
JASP375
JASP377
JASP379
JCYS381
JLEU382
JGLU386

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

site_idSWS_FT_FI2
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_FI3
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_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q8VCX5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues35
DetailsDomain: {"description":"EF-hand 3; degenerate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
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_FI8
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31397067","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6IIH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
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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