SMTL ID : 4xoj.1

Structure of bovine trypsin in complex with analogues of sunflower inhibitor 1 (SFTI-1)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 0.91 Å

Oligo State

hetero-1-1-mer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: Q.241 Ligands: NA.12 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.241

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

EDO.2: 3 residues within 4Å: Chain A: S.167, S.169, S.170 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.167, A:S.170 EDO.3: 4 residues within 4Å: Chain A: R.72, I.78, N.79, V.80 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.72, A:R.72 Water bridges: A:N.77, A:I.78 EDO.4: 7 residues within 4Å: Chain A: C.132, A.133, F.184, Q.211, K.231, C.233 Ligands: EDO.8 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:A.133, A:Q.211, A:K.231 EDO.5: 4 residues within 4Å: Chain A: N.100, T.103, N.105, T.180 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.103, A:T.103, A:N.105 EDO.6: 4 residues within 4Å: Chain A: Y.28, C.30, T.34, C.160 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:C.30, A:T.34 EDO.7: 4 residues within 4Å: Chain A: I.53, N.54, L.128, K.240 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.54, A:K.240 EDO.8: 7 residues within 4Å: Chain A: A.133, A.135, I.165, L.166, F.184, K.231 Ligands: EDO.4 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:A.135 Water bridges: A:L.166

1 x CA: CALCIUM ION(Non-covalent)

CA.9: 4 residues within 4Å: Chain A: E.75, N.77, V.80, E.85 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.75, A:V.80, A:E.85, H2O.5, H2O.5

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

NA.10: 2 residues within 4Å: Chain A: Q.222, K.223 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.222, A:K.223 NA.11: 5 residues within 4Å: Chain A: Y.45, F.47, K.66 Chain B: I.7, P.8 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:Y.45, A:K.66, B:I.7 NA.12: 2 residues within 4Å: Chain A: Q.241 Ligands: SO4.1 No protein-ligand interaction detected (PLIP)

1 x NH4: AMMONIUM ION(Non-functional Binders)

NH4.13: 3 residues within 4Å: Chain A: S.170, A.174, L.189 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:S.170, A:A.174 Water bridges: A:S.173

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Karna, N. et al., Investigation of Serine-Proteinase-Catalyzed Peptide Splicing in Analogues of Sunflower Trypsin Inhibitor 1 (SFTI-1). Chembiochem (2015)

Release Date

2015-08-12

Peptides

Cationic trypsin: A
Trypsin inhibitor 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cationic trypsin

Trypsin inhibitor 1

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