SMTL ID : 3i1u.1

Carboxypeptidase A Inhibited by a Thiirane Mechanism-Based inactivator

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.39 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: H.69, E.72, H.196 Ligands: BTW.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.69, A:E.72, A:H.196

1 x BTW: (2S,3R)-2-benzyl-3-sulfanylbutanoic acid(Covalent)

BTW.2: 16 residues within 4Å: Chain A: H.69, E.72, R.127, N.144, R.145, H.196, S.197, L.203, I.243, I.247, Y.248, A.250, T.268, E.270 Ligands: ZN.1, GOL.4 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:H.196, A:L.203, A:I.243, A:I.243, A:I.247, A:A.250, A:T.268, A:E.270 Hydrogen bonds: A:N.144, A:Y.248, A:Y.248 Salt bridges: A:H.69, A:R.127, A:R.145, A:H.196

7 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 7 residues within 4Å: Chain A: V.183, K.184, G.187, N.188, F.189, Q.261, I.263 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:K.184, A:G.187, A:F.189, A:Q.261 Water bridges: A:K.184 GOL.4: 5 residues within 4Å: Chain A: R.127, E.163, T.164, Y.248 Ligands: BTW.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.127, A:R.127, A:E.163, A:Y.248 GOL.5: 2 residues within 4Å: Chain A: E.43 Ligands: GOL.7 2 PLIP interactions: 2 interactions with chain A Water bridges: A:R.130, A:R.130 GOL.6: 7 residues within 4Å: Chain A: W.126, K.128, C.138, V.139, P.160, C.161, S.162 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.128, A:V.139, A:V.139 Water bridges: A:R.130 GOL.7: 4 residues within 4Å: Chain A: F.118, S.121, Q.122 Ligands: GOL.5 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:S.121 Water bridges: A:E.43, A:E.43, A:R.45, A:R.45, A:R.45, A:A.117, A:S.121 GOL.8: 7 residues within 4Å: Chain A: Y.12, W.73, R.124, F.279, L.280, L.281, P.282 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.124 Water bridges: A:A.283 GOL.9: 5 residues within 4Å: Chain A: R.40, S.41, Y.42, G.44, V.174 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.42 Water bridges: A:R.40, A:R.40

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fernandez, D. et al., The X-ray structure of carboxypeptidase A inhibited by a thiirane mechanism-based inhibitor. Chem.Biol.Drug Des. (2010)

Release Date

2009-11-17

Peptides

Carboxypeptidase A1 (Pancreatic): A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Carboxypeptidase A1 (Pancreatic)

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