SMTL ID : 8sgt.1

Cryo-EM structure of human NCX1 in Ca2+ bound, activated state (group II in the presence of 0.5 mM Ca2+)

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-1-mer

Ligands

6 x CA: CALCIUM ION(Non-covalent)

CA.1: 3 residues within 4Å: Chain A: D.431, E.461, E.464 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.431, A:D.431, A:E.461 CA.2: 5 residues within 4Å: Chain A: E.395, D.431, E.461, E.464 Ligands: CA.4 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:E.395, A:D.431, A:E.461 CA.3: 5 residues within 4Å: Chain A: E.395, D.456, D.457, D.509, D.510 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.395, A:D.456, A:D.457, A:D.510, A:D.510 CA.4: 7 residues within 4Å: Chain A: E.395, D.457, I.459, E.461, D.508, D.510 Ligands: CA.2 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.395, A:D.457, A:I.459, A:E.461, A:D.508 CA.5: 4 residues within 4Å: Chain A: E.526, D.588, E.590, E.693 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.526, A:D.588, A:E.590, A:E.693, A:E.693 CA.6: 3 residues within 4Å: Chain A: E.526, D.562, D.588 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:D.588

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xue, J. et al., Structural mechanisms of the human cardiac sodium-calcium exchanger NCX1. Nat Commun (2023)

Release Date

2023-10-11

Peptides

Sodium/calcium exchanger 1: A
Fab light chain: B
Fab heavy chain: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
L

C
H

Membrane

We predict this structure to be a membrane protein.
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Sodium/calcium exchanger 1

Fab light chain

Fab heavy chain

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