SMTL ID : 1h7a.1

Structural basis for allosteric substrate specificity regulation in class III ribonucleotide reductases: NRDD in complex with dATP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.75 Å

Oligo State

homo-dimer

Ligands

2 x DTP: 2'-DEOXYADENOSINE 5'-TRIPHOSPHATE(Non-covalent)

DTP.1: 15 residues within 4Å: Chain A: I.99, E.100, K.103, S.104, V.107, I.111, Q.114, K.146 Chain B: K.169, D.173, Q.176, A.177, Y.180, E.181 Ligands: MG.3 14 PLIP interactions: 6 interactions with chain A, 8 interactions with chain B Hydrogen bonds: A:E.100, A:E.100, A:K.103, A:Q.114, B:Q.176, B:E.181, B:E.181 Water bridges: A:K.103, B:K.169, B:Q.176 Salt bridges: A:K.146, B:K.169, B:K.169 Hydrophobic interactions: B:Y.180 DTP.4: 15 residues within 4Å: Chain A: K.169, D.173, Q.176, A.177, Y.180, E.181 Chain B: I.99, E.100, K.103, S.104, V.107, I.111, Q.114, K.146 Ligands: MG.6 14 PLIP interactions: 6 interactions with chain B, 8 interactions with chain A Hydrogen bonds: B:E.100, B:E.100, B:K.103, B:Q.114, A:Q.176, A:E.181 Water bridges: B:K.103, A:K.169, A:Q.176, A:Y.180 Salt bridges: B:K.146, A:K.169, A:K.169 Hydrophobic interactions: A:Y.180

2 x FE2: FE (II) ION(Non-covalent)

FE2.2: 6 residues within 4Å: Chain A: C.543, T.545, C.546, C.561, C.564, E.566 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:C.543, A:C.546, A:C.561, A:C.564 FE2.5: 6 residues within 4Å: Chain B: C.543, T.545, C.546, C.561, C.564, E.566 4 PLIP interactions: 4 interactions with chain B Metal complexes: B:C.543, B:C.546, B:C.561, B:C.564

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 2 residues within 4Å: Chain B: Q.176 Ligands: DTP.1 No protein-ligand interaction detected (PLIP) MG.6: 2 residues within 4Å: Chain A: Q.176 Ligands: DTP.4 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Larsson, K.-M. et al., Structural Basis for Allosteric Substrate Specificty Regulation in Anaerobic Ribonucleotide Reductase. Structure (2001)

Release Date

2002-03-28

Peptides

ANAEROBIC RIBONUCLEOTIDE-TRIPHOSPHATE REDUCTASE LARGE CHAIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ANAEROBIC RIBONUCLEOTIDE-TRIPHOSPHATE REDUCTASE LARGE CHAIN

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