SMTL ID : 2q2h.1

Crystal structure of the protein secretion chaperone CsaA from Agrobacterium tumefaciens with a genetically fused phage-display derived peptide substrate at the N-terminus.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.65 Å

Oligo State

homo-dimer

Ligands

1 x CIT: CITRIC ACID(Non-functional Binders)

CIT.1: 4 residues within 4Å: Chain A: E.46, K.53, P.98, F.99 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:E.46 Water bridges: A:K.53, A:K.53, A:K.66, A:P.98 Salt bridges: A:K.53, A:K.53, A:K.66

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 6 residues within 4Å: Chain A: P.92, R.94, S.101, E.102, V.103 Chain B: Y.25 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:R.94 Hydrogen bonds: A:S.101, A:S.101 Salt bridges: A:R.94 ACT.3: 4 residues within 4Å: Chain A: Y.25 Chain B: F.91, P.92, R.94 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:F.91, A:Y.25 Salt bridges: B:R.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Feldman, A.R. et al., Phage display and crystallographic analysis reveals potential substrate/binding site interactions in the protein secretion chaperone CsaA from Agrobacterium tumefaciens. J.Mol.Biol. (2008)

Release Date

2008-04-01

Peptides

Secretion chaperone, phage-display derived peptide: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Secretion chaperone, phage-display derived peptide