SMTL ID : 2acu.1

TYROSINE-48 IS THE PROTON DONOR AND HISTIDINE-110 DIRECTS SUBSTRATE STEREOCHEMICAL SELECTIVITY IN THE REDUCTION REACTION OF HUMAN ALDOSE REDUCTASE: ENZYME KINETICS AND THE CRYSTAL STRUCTURE OF THE Y48H MUTANT ENZYME

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.76 Å

Oligo State

monomer

Ligands

1 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.1: 32 residues within 4Å: Chain A: G.18, T.19, W.20, K.21, D.43, H.48, K.77, H.110, S.159, N.160, Q.183, Y.209, S.210, P.211, L.212, G.213, S.214, P.215, D.216, L.228, A.245, I.260, P.261, K.262, S.263, V.264, T.265, R.268, E.271, N.272, C.298 Ligands: CIT.2 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:W.20, A:Y.209, A:Y.209, A:Y.209 Hydrogen bonds: A:T.19, A:W.20, A:S.159, A:S.159, A:Q.183, A:S.210, A:L.212, A:S.214, A:S.214, A:D.216, A:D.216, A:K.262, A:S.263, A:V.264, A:T.265, A:T.265, A:R.268, A:E.271, A:N.272 Water bridges: A:D.216, A:D.216, A:T.243 Salt bridges: A:K.21, A:K.21, A:K.262, A:R.268 pi-Cation interactions: A:R.268

1 x CIT: CITRIC ACID(Non-functional Binders)

CIT.2: 10 residues within 4Å: Chain A: W.20, V.47, H.48, W.79, H.110, W.111, F.122, W.219, C.298 Ligands: NAP.1 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:W.20, A:W.79 Salt bridges: A:H.48, A:H.110

Links

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Citation

Bohren, K.M. et al., Tyrosine-48 is the proton donor and histidine-110 directs substrate stereochemical selectivity in the reduction reaction of human aldose reductase: enzyme kinetics and crystal structure of the Y48H mutant enzyme. Biochemistry (1994)

Release Date

1994-07-31

Peptides

ALDOSE REDUCTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

ALDOSE REDUCTASE