SMTL ID : 1egq.1

ENHANCEMENT OF ENZYME ACTIVITY THROUGH THREE-PHASE PARTITIONING: CRYSTAL STRUCTURE OF A MODIFIED SERINE PROTEINASE AT 1.5 A RESOLUTION

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.55 Å

Oligo State

monomer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 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 CA.2: 2 residues within 4Å: Chain A: T.16, D.260 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:T.16, A:D.260, A:D.260, H2O.1, H2O.1

2 x ACY: ACETIC ACID(Non-functional Binders)

ACY.3: 5 residues within 4Å: Chain A: Y.60, Y.61, K.94, D.97, D.98 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Y.60, A:D.97 Hydrogen bonds: A:D.98 Water bridges: A:Y.61 ACY.4: 6 residues within 4Å: Chain A: H.69, N.161, S.221, G.222, T.223, S.224 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:N.161, A:S.221, A:T.223, A:S.224, A:S.224 Water bridges: A:T.223 Salt bridges: A:H.69

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Singh, R.K. et al., Enhancement of enzyme activity through three-phase partitioning: crystal structure of a modified serine proteinase at 1.5 A resolution. Protein Eng. (2001)

Release Date

2001-02-21

Peptides

PROTEINASE K: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

PROTEINASE K

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