SMTL ID : 1slx.1

RAT ANIONIC N143H, E151H TRYPSIN COMPLEXED TO A86H ECOTIN; ZINC-BOUND

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-2-2-mer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 5 residues within 4Å: Chain B: E.52, N.54, V.57, E.59 Ligands: ACT.2 5 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions, 1 Ligand-Ligand interactions Metal complexes: B:E.52, B:N.54, B:V.57, H2O.1, ACT.2 CA.4: 5 residues within 4Å: Chain D: E.52, N.54, V.57, E.59 Ligands: ACT.5 5 PLIP interactions: 3 interactions with chain D, 1 Ligand-Water interactions, 1 Ligand-Ligand interactions Metal complexes: D:E.52, D:N.54, D:V.57, H2O.4, ACT.5

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 8 residues within 4Å: Chain B: E.52, N.54, V.57, L.58, E.59, N.61, E.62 Ligands: CA.1 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:E.59 Hydrogen bonds: B:H.53, B:E.59 Water bridges: B:N.54 ACT.5: 8 residues within 4Å: Chain D: E.52, N.54, V.57, L.58, E.59, N.61, E.62 Ligands: CA.4 3 PLIP interactions: 3 interactions with chain D Hydrophobic interactions: D:E.59 Hydrogen bonds: D:H.53 Water bridges: D:N.54

2 x ZN: ZINC ION(Non-covalent)

ZN.3: 3 residues within 4Å: Chain A: H.86 Chain B: H.123, H.131 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Metal complexes: B:H.123, B:H.131, A:H.86 ZN.6: 3 residues within 4Å: Chain C: H.86 Chain D: H.123, H.131 3 PLIP interactions: 1 interactions with chain C, 2 interactions with chain D Metal complexes: C:H.86, D:H.123, D:H.131

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Brinen, L.S. et al., X-ray structures of a designed binding site in trypsin show metal-dependent geometry. Biochemistry (1996)

Release Date

1996-07-11

Peptides

ECOTIN: AC
ANIONIC TRYPSIN: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

ECOTIN

ANIONIC TRYPSIN

Related Entries With Identical Sequence