SMTL ID : 2pq3.2 (1 other biounit)

N-Terminal Calmodulin Zn-Trapped Intermediate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

homo-dimer

Ligands

2 x CAC: CACODYLATE ION(Non-covalent)

CAC.1: 11 residues within 4Å: Chain A: D.22, D.24 Chain B: D.22, D.24, T.26, I.27, T.28, T.62 Ligands: ZN.3, CAC.4, ZN.6 No protein-ligand interaction detected (PLIP) CAC.4: 11 residues within 4Å: Chain A: D.22, D.24, T.26, I.27, T.28, T.62 Chain B: D.22, D.24 Ligands: CAC.1, ZN.3, ZN.6 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.26 Water bridges: A:D.20

4 x ZN: ZINC ION(Non-covalent)

ZN.2: 2 residues within 4Å: Chain A: D.64, E.67 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.64, A:E.67 ZN.3: 7 residues within 4Å: Chain A: D.22, D.24, T.26 Chain B: D.22 Ligands: CAC.1, CAC.4, ZN.6 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.22, A:D.22, A:D.24 ZN.5: 2 residues within 4Å: Chain B: D.64, E.67 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.64, B:E.67 ZN.6: 7 residues within 4Å: Chain A: D.22 Chain B: D.22, D.24, T.26 Ligands: CAC.1, ZN.3, CAC.4 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.22, B:D.22, B:D.24

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Warren, J.T. et al., A 1.3-A structure of zinc-bound N-terminal domain of calmodulin elucidates potential early ion-binding step. J.Mol.Biol. (2007)

Release Date

2007-10-16

Peptides

Calmodulin: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Calmodulin

Related Entries With Identical Sequence