SMTL ID : 3plk.1

Bovine trypsin variant X(tripleIle227) in complex with small molecule inhibitor

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.53 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: E.52, N.54, V.57, E.62 6 PLIP interactions: 4 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.52, A:N.54, A:V.57, A:E.62, H2O.1, H2O.1

1 x ANH: METHYL N-[(4-METHYLPHENYL)SULFONYL]GLYCYL-3-[AMINO(IMINO)METHYL]-D-PHENYLALANINATE(Non-covalent)

ANH.2: 16 residues within 4Å: Chain A: E.79, T.80, Y.81, D.171, A.172, C.173, Q.174, S.177, V.191, S.192, W.193, G.194, G.196, C.197, G.204 Ligands: SO4.3 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:Y.81, A:Y.81, A:Q.174, A:V.191, A:W.193, A:W.193 Hydrogen bonds: A:D.171, A:G.194 Water bridges: A:H.40, A:Y.81, A:W.193, A:S.195, A:G.196, A:Y.206

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 5 residues within 4Å: Chain A: H.40, Q.174, G.175, S.177 Ligands: ANH.2 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:Q.174, A:G.175, A:S.177 Water bridges: A:H.40, A:S.177, A:S.177 Salt bridges: A:H.40

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 4 residues within 4Å: Chain A: V.58, E.62, Q.63, F.64 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.62, A:F.64

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tziridis, A. et al., Correlating structure and ligand affinity in drug discovery: a cautionary tale involving second shell residues. Biol.Chem. (2014)

Release Date

2011-12-07

Peptides

Cationic trypsin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cationic trypsin