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

THE ROLE OF HISTIDINE-40 IN RIBONUCLEASE T1 CATALYSIS: THREE-DIMENSIONAL STRUCTURES OF THE PARTIALLY ACTIVE HIS40LYS MUTANT

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 1 residues within 4Å: Chain A: D.15 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:D.15, A:D.15, H2O.1, H2O.5, H2O.5

1 x 2GP: GUANOSINE-2'-MONOPHOSPHATE(Non-covalent)

2GP.2: 15 residues within 4Å: Chain A: N.36, Y.38, K.40, K.41, Y.42, N.43, N.44, Y.45, E.46, E.58, R.77, H.92, N.98, N.99, F.100 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:Y.38, A:Y.38, A:N.43, A:N.44, A:Y.45, A:N.98, A:N.98, A:N.98 Water bridges: A:N.36, A:Y.45, A:R.77 Salt bridges: A:K.40, A:E.46, A:R.77, A:H.92

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zegers, I. et al., Role of histidine-40 in ribonuclease T1 catalysis: three-dimensionalstructures of the partially active His40Lys mutant. Biochemistry (1992)

Release Date

1994-01-31

Peptides

RIBONUCLEASE T1 ISOZYME: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

RIBONUCLEASE T1 ISOZYME

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