SMTL ID : 1ht3.1

MERCURY INDUCED MODIFICATIONS IN THE STEREOCHEMISTRY OF THE ACTIVE SITE THROUGH CYS-73 IN A SERINE PROTEASE: CRYSTAL STRUCTURE OF THE COMPLEX OF A PARTIALLY MODIFIED PROTEINASE K WITH MERCURY AT 1.8 A RESOLUTION

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

2 x HG: MERCURY (II) ION(Non-covalent)

HG.1: 3 residues within 4Å: Chain A: H.72, C.73, M.225 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.72, A:C.73, H2O.1 HG.2: 5 residues within 4Å: Chain A: D.39, H.69, G.70, C.73, S.132 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:D.39, A:H.69, A:H.69, A:H.69, A:C.73

1 x CA: CALCIUM ION(Non-covalent)

CA.3: 3 residues within 4Å: Chain A: P.175, V.177, D.200 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:P.175, A:D.200, A:D.200, H2O.1, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gourinath, S. et al., Mercury induced modifications in the stereochemistry of the active site through Cys-73 in a serine protease--crystal structure of the complex of a partially modified proteinase K with mercury at 1.8 A resolution. Indian J.Biochem.Biophys. (2001)

Release Date

2001-06-27

Peptides

PROTEINASE K: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PROTEINASE K

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