8SZI

Cryo-EM structure of PAM-free human calcium-sensing receptor CaSR-Gi complex in lipid nanodiscs


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history



Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(i) subunit alpha-3A [auth C]354Homo sapiensMutation(s): 4 
Gene Names: GNAI3
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for P08754 (Homo sapiens)
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Go to UniProtKB:  P08754
PHAROS:  P08754
GTEx:  ENSG00000065135 
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UniProt GroupP08754
Sequence Annotations
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1B [auth D]343Homo sapiensMutation(s): 0 
Gene Names: GNB1
UniProt & NIH Common Fund Data Resources
Find proteins for P62873 (Homo sapiens)
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PHAROS:  P62873
GTEx:  ENSG00000078369 
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UniProt GroupP62873
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2C [auth E]71Homo sapiensMutation(s): 0 
Gene Names: GNG2
Membrane Entity: Yes 
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Find proteins for P59768 (Homo sapiens)
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PHAROS:  P59768
GTEx:  ENSG00000186469 
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UniProt GroupP59768
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Extracellular calcium-sensing receptorD [auth A]939Homo sapiensMutation(s): 0 
Gene Names: CASRGPRC2APCAR1
Membrane Entity: Yes 
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Find proteins for P41180 (Homo sapiens)
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PHAROS:  P41180
GTEx:  ENSG00000036828 
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UniProt GroupP41180
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Extracellular calcium-sensing receptorE [auth B]959Homo sapiensMutation(s): 0 
Gene Names: CASRGPRC2APCAR1
Membrane Entity: Yes 
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Find proteins for P41180 (Homo sapiens)
Explore P41180 
Go to UniProtKB:  P41180
PHAROS:  P41180
GTEx:  ENSG00000036828 
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UniProt GroupP41180
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  • Reference Sequence
Oligosaccharides

Help

Entity ID: 6
MoleculeChains Length2D Diagram Glycosylation3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
F, G, H
2N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT
GlyCosmos:  G42666HT
GlyGen:  G42666HT
Small Molecules
Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
PCW (Subject of Investigation/LOI)
Query on PCW

Download Ideal Coordinates CCD File 
I [auth A],
Q [auth B]
1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE
C44 H85 N O8 P
SNKAWJBJQDLSFF-NVKMUCNASA-O
CLR (Subject of Investigation/LOI)
Query on CLR

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P [auth B]CHOLESTEROL
C27 H46 O
HVYWMOMLDIMFJA-DPAQBDIFSA-N
NAG
Query on NAG

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J [auth A],
R [auth B],
S [auth B]
2-acetamido-2-deoxy-beta-D-glucopyranose
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
TRP (Subject of Investigation/LOI)
Query on TRP

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M [auth A],
O [auth A],
V [auth B]
TRYPTOPHAN
C11 H12 N2 O2
QIVBCDIJIAJPQS-VIFPVBQESA-N
PO4 (Subject of Investigation/LOI)
Query on PO4

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N [auth A],
W [auth B]
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
CA (Subject of Investigation/LOI)
Query on CA

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

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 3.50 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX1.20.1_4487:

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Disease (NIH/NIDDK)United States5R01DK132902-02

Revision History  (Full details and data files)

  • Version 1.0: 2024-02-07
    Type: Initial release
  • Version 1.1: 2024-02-21
    Changes: Database references
  • Version 1.2: 2024-03-13
    Changes: Database references