SMTL ID : 2aae.1

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 1.80 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: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:D.15, H2O.2, H2O.3, H2O.4, H2O.4

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.2: 6 residues within 4Å: Chain A: Y.38, K.40, E.58, R.77, H.92, F.100 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:Y.38, A:Y.38, A:Y.38, A:E.58 Salt bridges: A:K.40, 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: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

RIBONUCLEASE T1

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