SMTL ID : 1h74.2 (1 other biounit)

CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH ILE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x ILE: ISOLEUCINE(Non-covalent)

ILE.1: 11 residues within 4Å: Chain A: A.12, N.13, F.18, D.19, H.134, D.136, N.137, R.183, R.231, G.256, S.257 8 PLIP interactions: 8 interactions with chain A, Hydrophobic interactions: A:A.12 Hydrogen bonds: A:N.13, A:D.19, A:D.19, A:D.19 Water bridges: A:H.134 Salt bridges: A:R.183, A:R.231 ILE.3: 9 residues within 4Å: Chain B: N.13, F.18, D.19, S.130, D.136, T.179, R.183, R.231 Ligands: AGS.4 11 PLIP interactions: 11 interactions with chain B, Hydrophobic interactions: B:T.179 Hydrogen bonds: B:N.13, B:D.19, B:D.136 Water bridges: B:T.179, B:R.183, B:R.183, B:R.231, B:R.231 Salt bridges: B:R.183, B:R.231

1 x ADP: ADENOSINE-5'-DIPHOSPHATE(Non-covalent)

ADP.2: 14 residues within 4Å: Chain A: N.50, I.51, P.52, K.57, N.58, V.59, K.83, A.87, G.88, S.93, S.94, S.97, S.129, T.179 18 PLIP interactions: 18 interactions with chain A Hydrogen bonds: A:N.50, A:N.58, A:N.58, A:V.59, A:K.83, A:G.88, A:G.92, A:S.93, A:S.94, A:S.94, A:S.97, A:T.179, A:T.179 Water bridges: A:G.90, A:G.90, A:L.91, A:S.94, A:A.95

1 x AGS: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER(Non-covalent)

AGS.4: 20 residues within 4Å: Chain B: N.50, I.51, P.52, K.57, N.58, V.59, K.83, A.87, G.88, G.90, L.91, G.92, S.93, S.94, S.97, S.129, N.137, T.179, S.257 Ligands: ILE.3 22 PLIP interactions: 22 interactions with chain B Hydrogen bonds: B:N.50, B:N.58, B:N.58, B:V.59, B:K.83, B:G.88, B:G.90, B:G.90, B:G.92, B:S.93, B:S.94, B:S.94, B:S.97, B:N.137, B:T.179, B:T.179 Water bridges: B:S.89, B:L.91, B:G.92, B:A.95, B:N.137, B:N.137

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Krishna, S.S. et al., Structural Basis for the Catalysis and Substrate Specificity of Homoserine Kinase. Biochemistry (2001)

Release Date

2001-11-28

Peptides

HOMOSERINE KINASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

HOMOSERINE KINASE

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