SMTL ID : 3fp8.1

Anionic trypsin variant S195A in complex with bovine pancreatic trypsin inhibitor (BPTI) determined to the 1.46 A resolution limit

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.46 Å

Oligo State

hetero-1-1-mer

Ligands

6 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.1: 7 residues within 4Å: Chain A: N.19, G.21, Y.22, H.23, R.49, I.55, N.56 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.19, A:H.23, A:R.49 Water bridges: A:G.21, A:H.23, A:R.49 EDO.2: 5 residues within 4Å: Chain A: I.30, N.31, L.105, Q.217, I.220 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.31 EDO.3: 4 residues within 4Å: Chain A: Y.42, I.70, I.71, K.72 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.72, A:K.72 EDO.4: 6 residues within 4Å: Chain A: N.123, V.129, C.173, Q.174 Chain B: T.11, V.34 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.123 Water bridges: A:G.128, A:Q.174, A:Q.174 EDO.5: 6 residues within 4Å: Chain A: K.79, T.80, L.81, K.155, W.193, Y.195 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:T.80, A:Y.195 Water bridges: B:R.39, B:R.39 EDO.9: 5 residues within 4Å: Chain B: D.3, F.4, E.7, R.42 Ligands: SO4.11 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:D.3, B:R.42 Water bridges: B:K.41

1 x PG4: TETRAETHYLENE GLYCOL(Non-functional Binders)

PG4.6: 6 residues within 4Å: Chain A: G.3, F.165, E.167, G.168, G.169, K.170 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.3, A:K.170

1 x CA: CALCIUM ION(Non-covalent)

CA.7: 5 residues within 4Å: Chain A: E.52, N.54, V.57, E.59, E.62 6 PLIP interactions: 5 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:E.52, A:N.54, A:V.57, A:E.59, A:E.62, H2O.3

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

SO4.8: 2 residues within 4Å: Chain A: K.155 Chain B: R.39 7 PLIP interactions: 5 interactions with chain B, 2 interactions with chain A Water bridges: B:R.39, B:R.39, B:R.39, B:R.39, A:K.155 Salt bridges: B:R.39, A:K.155 SO4.10: 4 residues within 4Å: Chain B: R.20, Y.35, G.37, A.40 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Water bridges: B:R.20, B:R.20, B:Y.35, B:A.40, A:R.78 Salt bridges: B:R.20 SO4.11: 5 residues within 4Å: Chain B: F.4, E.7, K.41, R.42 Ligands: EDO.9 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:R.42 Water bridges: B:K.41, B:K.41, B:N.43 Salt bridges: B:K.41, B:R.42 SO4.12: 5 residues within 4Å: Chain A: K.43 Chain B: I.18, I.19, R.20, K.46 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Salt bridges: B:R.20, B:K.46, A:K.43 Water bridges: A:K.43, A:K.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zakharova, E. et al., Structure of a serine protease poised to resynthesize a peptide bond. Proc.Natl.Acad.Sci.USA (2009)

Release Date

2009-02-17

Peptides

Anionic trypsin-2: A
Pancreatic trypsin inhibitor: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

B
I

Anionic trypsin-2

Pancreatic trypsin inhibitor

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