SMTL ID : 5dow.2 (3 other biounits)

Solution of the Variably-Twinned Structure of a Novel Calmodulin-Peptide Complex in a Novel Configuration

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

hetero-1-1-mer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain A: D.93, D.95, N.97, Y.99, E.104 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.93, A:D.95, A:E.104, A:E.104, H2O.6 CA.2: 5 residues within 4Å: Chain A: D.129, D.131, D.133, Q.135, E.140 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.129, A:Q.135, A:E.140, A:E.140, H2O.1 CA.3: 5 residues within 4Å: Chain A: D.56, D.58, N.60, T.62, E.67 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.56, A:E.67, A:E.67, H2O.1, H2O.4 CA.4: 5 residues within 4Å: Chain A: D.20, D.22, D.24, T.26, E.31 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.20, A:D.24, A:T.26, A:E.31, H2O.3

3 x CL: CHLORIDE ION(Non-functional Binders)

CL.5: 3 residues within 4Å: Chain A: K.94, A.103, E.104 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain A: T.44, E.45 Ligand excluded by PLIP CL.7: 1 residues within 4Å: Chain A: R.37 Ligand excluded by PLIP

3 x NA: SODIUM ION(Non-functional Binders)

NA.8: 2 residues within 4Å: Chain A: E.119, D.122 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.122 NA.9: 1 residues within 4Å: Chain A: E.82 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.82 NA.10: 2 residues within 4Å: Chain A: E.139, V.142 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.139 Water bridges: A:Q.143

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Keller, J.P., Solution of the structure of a calmodulin-peptide complex in a novel configuration from a variably twinned data set. Acta Crystallogr D Struct Biol (2017)

Release Date

2016-08-10

Peptides

Calmodulin: A
Chloride anion exchanger: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Calmodulin

Chloride anion exchanger

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