7F05 | pdb_00007f05

Crystal structure of human cardiac calsequestrin bound with calcium

• PDB DOI: https://doi.org/10.2210/pdb7F05/pdb

• Classification: METAL BINDING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2021-06-03 Released: 2022-06-08 
• Deposition Author(s): Fan, X.X., Liu, X.X., Su, X.D., Wang, S.Q.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.234 (Depositor), 0.237 (DCC) 
• R-Value Work: 
  0.208 (Depositor), 0.213 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Literature

Ca2+-dependent Formation of a Non-transmembrane Channel in a Calsequestrin-2 Dimer

Fan, X.X., Liu, Z.H., Yu, H., Liu, X.Y., Li, L.L., Wang, L.P., Li, H.T., Huang, X.Y., Xu, Z., Su, X.D., Song, C., Guo, X.F., Wang, S.Q.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 190.17 kDa 
• Atom Count: 12,424 
• Modeled Residue Count: 1,400 
• Deposited Residue Count: 1,612 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Calsequestrin-2	A, B [auth C], C [auth B], D	403	Homo sapiens	Mutation(s): 0  Gene Names: CASQ2
UniProt & NIH Common Fund Data Resources
Find proteins for O14958 (Homo sapiens) Explore O14958  Go to UniProtKB:  O14958
PHAROS:  O14958 GTEx:  ENSG00000118729

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA (Subject of Investigation/LOI)	AA [auth C], AB [auth B], BA [auth C], BB [auth B], CA [auth C], CB [auth B], DA [auth C], DB [auth B], E [auth A], EA [auth C], EB [auth B], F [auth A], FA [auth C], FB [auth B], G [auth A], GA [auth C], GB [auth B], H [auth A], HA [auth C], HB [auth B], I [auth A], IA [auth C], IB [auth B], J [auth A], JA [auth C], JB [auth B], K [auth A], KA [auth C], KB [auth B], L [auth A], LA [auth C], LB [auth B], M [auth A], MA [auth C], MB [auth D], N [auth A], NA [auth C], NB [auth D], O [auth A], OA [auth C], OB [auth D], P [auth A], PA [auth C], PB [auth D], Q [auth A], QA [auth C], QB [auth D], R [auth A], RA [auth C], RB [auth D], S [auth A], SA [auth C], SB [auth D], T [auth A], TA [auth C], TB [auth D], U [auth A], UA [auth B], UB [auth D], V [auth A], VA [auth B], VB [auth D], W [auth A], WA [auth B], WB [auth D], X [auth A], XA [auth B], XB [auth D], Y [auth C], YA [auth B], YB [auth D], Z [auth C], ZA [auth B], ZB [auth D]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.234 (Depositor), 0.237 (DCC) 
• R-Value Work:  0.208 (Depositor), 0.213 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: I 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 157.34	α = 90
b = 68.35	β = 91.2
c = 157.985	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
iMOSFLM	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-06-08 
Deposition Author(s): Fan, X.X., Liu, X.X., Su, X.D., Wang, S.Q.

Revision History  

• Version 1.0: 2022-06-08
  Type: Initial release
  
• Version 1.1: 2024-05-29
  Changes: Data collection