6K7Y

Intact human mitochondrial calcium uniporter complex with MICU1/MICU2 subunits


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Models: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structure of intact human MCU supercomplex with the auxiliary MICU subunits.

Zhuo, W.Zhou, H.Guo, R.Yi, J.Zhang, L.Yu, L.Sui, Y.Zeng, W.Wang, P.Yang, M.

(2021) Protein Cell 12: 220-229


Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Calcium uniporter protein, mitochondrial276Homo sapiensMutation(s): 0 
Gene Names: MCUC10orf42CCDC109A
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for Q8NE86 (Homo sapiens)
Explore Q8NE86 
Go to UniProtKB:  Q8NE86
PHAROS:  Q8NE86
GTEx:  ENSG00000156026 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8NE86
Sequence Annotations
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Essential MCU regulator, mitochondrial54Homo sapiensMutation(s): 0 
Gene Names: SMDT1C22orf32EMRE
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H4I9 (Homo sapiens)
Explore Q9H4I9 
Go to UniProtKB:  Q9H4I9
PHAROS:  Q9H4I9
GTEx:  ENSG00000183172 
Entity Groups  
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UniProt GroupQ9H4I9
Sequence Annotations
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  • Reference Sequence
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Calcium uptake protein 1, mitochondrialI,
S [auth V]
476Homo sapiensMutation(s): 0 
Gene Names: MICU1CALCCBARA1
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for Q9BPX6 (Homo sapiens)
Explore Q9BPX6 
Go to UniProtKB:  Q9BPX6
PHAROS:  Q9BPX6
GTEx:  ENSG00000107745 
Entity Groups  
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UniProt GroupQ9BPX6
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  • Reference Sequence
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Calcium uptake protein 2, mitochondrialJ,
T [auth W]
336Homo sapiensMutation(s): 0 
Gene Names: MICU2EFHA1
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for Q8IYU8 (Homo sapiens)
Explore Q8IYU8 
Go to UniProtKB:  Q8IYU8
PHAROS:  Q8IYU8
GTEx:  ENSG00000165487 
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UniProt GroupQ8IYU8
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
CDL
Query on CDL

Download Ideal Coordinates CCD File 
BA [auth C]
GA [auth H]
IA [auth N]
LA [auth O]
OA [auth P]
BA [auth C],
GA [auth H],
IA [auth N],
LA [auth O],
OA [auth P],
SA [auth Q],
V [auth A],
Y [auth B]
CARDIOLIPIN
C81 H156 O17 P2
XVTUQDWPJJBEHJ-KZCWQMDCSA-L
PLX
Query on PLX

Download Ideal Coordinates CCD File 
AA [auth B]
CA [auth C]
DA [auth C]
EA [auth C]
FA [auth D]
AA [auth B],
CA [auth C],
DA [auth C],
EA [auth C],
FA [auth D],
JA [auth N],
KA [auth N],
MA [auth O],
NA [auth O],
PA [auth P],
QA [auth P],
RA [auth P],
TA [auth Q],
W [auth A],
X [auth A],
Z [auth B]
(9R,11S)-9-({[(1S)-1-HYDROXYHEXADECYL]OXY}METHYL)-2,2-DIMETHYL-5,7,10-TRIOXA-2LAMBDA~5~-AZA-6LAMBDA~5~-PHOSPHAOCTACOSANE-6,6,11-TRIOL
C42 H89 N O8 P
YVNJQRQLQPWVSQ-IWSHAHEXSA-O
CA
Query on CA

Download Ideal Coordinates CCD File 
HA [auth N],
U [auth A]
CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
RECONSTRUCTIONRELION3.0
MODEL REFINEMENTPHENIX1.15

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Science Foundation (NSF, China)China21532004
National Science Foundation (NSF, China)China31570733
National Science Foundation (NSF, China)China31900857

Revision History  (Full details and data files)

  • Version 1.0: 2020-09-09
    Type: Initial release
  • Version 1.1: 2021-03-03
    Changes: Database references
  • Version 1.2: 2024-03-27
    Changes: Data collection, Database references, Refinement description