SMTL ID : 1a0j.1 (1 other biounit)

CRYSTAL STRUCTURE OF A NON-PSYCHROPHILIC TRYPSIN FROM A COLD-ADAPTED FISH SPECIES.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-tetramer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 6 residues within 4Å: Chain A: E.52, N.54, I.55, V.57, E.59, E.62 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:E.52, A:N.54, A:V.57, A:E.59, A:E.62

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

SO4.2: 6 residues within 4Å: Chain A: H.23, H.40, Q.174, G.175, S.177 Ligands: BEN.4 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.175, A:S.177, A:S.177, A:S.177 Salt bridges: A:H.23, A:H.40 SO4.3: 4 residues within 4Å: Chain A: P.132, D.133, T.134, R.136 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:D.133, A:T.134 Salt bridges: A:R.136 SO4.5: 6 residues within 4Å: Chain B: H.40, Q.174, G.175, S.177 Chain C: Y.22 Ligands: BEN.7 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:G.175, B:S.177, B:S.177 Salt bridges: B:H.40 SO4.6: 4 residues within 4Å: Chain B: P.132, D.133, T.134, R.136 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.133, B:T.134, B:T.134 Salt bridges: B:R.136 SO4.8: 5 residues within 4Å: Chain C: H.40, Q.174, G.175, S.177 Ligands: BEN.10 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:G.175, C:S.177, C:S.177 Salt bridges: C:H.40 SO4.9: 5 residues within 4Å: Chain C: E.6, P.132, D.133, T.134, R.136 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:D.133, C:D.133, C:D.133, C:T.134 Salt bridges: C:R.136 SO4.11: 5 residues within 4Å: Chain D: H.40, Q.174, G.175, S.177 Ligands: BEN.15 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:G.175, D:S.177, D:S.177, D:S.177 Salt bridges: D:H.40 SO4.12: 4 residues within 4Å: Chain D: P.132, D.133, T.134, R.136 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:D.133, D:T.134, D:T.134 Water bridges: D:D.133, D:D.133 Salt bridges: D:R.136 SO4.13: 1 residues within 4Å: Chain D: R.45 1 PLIP interactions: 1 interactions with chain D Salt bridges: D:R.45 SO4.14: 2 residues within 4Å: Chain D: K.43, S.44 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:S.44, D:S.44 Water bridges: D:R.45 Salt bridges: D:K.43

4 x BEN: BENZAMIDINE(Non-functional Binders)

BEN.4: 11 residues within 4Å: Chain A: D.171, S.172, C.173, S.177, V.191, W.193, G.194, G.196, C.197, G.204 Ligands: SO4.2 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.191 Hydrogen bonds: A:D.171, A:S.172, A:S.172 Water bridges: A:V.205 BEN.7: 12 residues within 4Å: Chain B: D.171, S.172, C.173, S.177, V.191, S.192, W.193, G.194, G.196, C.197, G.204 Ligands: SO4.5 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.191 Hydrogen bonds: B:D.171, B:S.172, B:S.172 Water bridges: B:V.205 BEN.10: 11 residues within 4Å: Chain C: D.171, S.172, C.173, S.177, V.191, W.193, G.194, G.196, C.197, G.204 Ligands: SO4.8 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:V.191 Hydrogen bonds: C:S.172, C:S.172, C:G.196 Water bridges: C:V.205 BEN.15: 12 residues within 4Å: Chain D: D.171, S.172, C.173, Q.174, S.177, V.191, W.193, G.194, G.196, C.197, G.204 Ligands: SO4.11 5 PLIP interactions: 5 interactions with chain D Hydrophobic interactions: D:V.191 Hydrogen bonds: D:S.172, D:S.172, D:G.196 Water bridges: D:V.205

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schroder, H.K. et al., Structure of a non-psychrophilic trypsin from a cold-adapted fish species. Acta Crystallogr.,Sect.D (1998)

Release Date

1999-01-13

Peptides

TRYPSIN: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

TRYPSIN

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