SMTL ID : 3gcd.1 (3 other biounits)

Structure of the V. cholerae RTX cysteine protease domain in complex with an aza-Leucine peptide inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

monomer

Ligands

1 x AZ0: ethyl (5S,8S,14S)-14-hydroxy-5,8,11-tris(2-methylpropyl)-3,6,9,12-tetraoxo-1-phenyl-2-oxa-4,7,10,11-tetraazapentadecan-15-oate(Covalent)

AZ0.1: 18 residues within 4Å: Chain A: V.43, K.46, A.47, N.50, V.89, G.90, H.91, G.92, N.100, V.138, G.139, C.140, E.174, L.175, A.176, V.177, D.178, H.184 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:V.43, A:A.47, A:V.89, A:V.138, A:E.174, A:L.175, A:D.178 Hydrogen bonds: A:G.92, A:N.100, A:C.140, A:L.175, A:V.177, A:V.177

1 x IHP: INOSITOL HEXAKISPHOSPHATE(Non-covalent)

IHP.2: 15 residues within 4Å: Chain A: E.27, T.28, R.29, F.30, K.54, H.55, R.85, S.136, S.169, R.171, R.182, K.183, K.195, K.200 Ligands: NA.3 35 PLIP interactions: 35 interactions with chain A Hydrogen bonds: A:E.27, A:T.28, A:S.136, A:S.169, A:R.182, A:K.183 Water bridges: A:R.29, A:R.29, A:R.29, A:R.171, A:G.181, A:K.183, A:K.195, A:K.195, A:K.195, A:K.195, A:K.200, A:K.200 Salt bridges: A:R.29, A:K.54, A:K.54, A:K.54, A:H.55, A:R.85, A:R.85, A:R.85, A:R.171, A:R.171, A:K.183, A:K.183, A:K.195, A:K.195, A:K.195, A:K.200, A:K.200

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

NA.3: 2 residues within 4Å: Chain A: E.27 Ligands: IHP.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.27

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Shen, A. et al., Mechanistic and structural insights into the proteolytic activation of Vibrio cholerae MARTX toxin. Nat.Chem.Biol. (2009)

Release Date

2009-05-26

Peptides

RTX toxin RtxA: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

RTX toxin RtxA

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