SMTL ID : 1xcb.1 (4 other biounits)

X-ray Structure of a Rex-Family Repressor/NADH Complex from Thermus Aquaticus

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 2 residues within 4Å: Chain A: R.108, G.139 No protein-ligand interaction detected (PLIP) CA.3: 1 residues within 4Å: Chain B: G.139 No protein-ligand interaction detected (PLIP)

2 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.2: 24 residues within 4Å: Chain A: V.86, G.87, M.88, G.89, R.90, L.91, D.112, V.113, D.114, K.117, V.130, T.147, V.148, P.149, A.152, A.156, F.171, A.172, P.173, V.187, F.189 Chain B: A.94, L.95, Y.98 16 PLIP interactions: 13 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:L.91, B:L.95, B:Y.98, B:Y.98 Hydrogen bonds: A:R.90, A:L.91, A:D.112, A:V.113, A:D.114, A:K.117, A:K.117, A:V.148, A:F.171, A:F.189 Salt bridges: A:R.90, A:R.90 NAD.4: 27 residues within 4Å: Chain A: A.94, L.95, Y.98, P.99, F.189 Chain B: V.86, G.87, M.88, G.89, R.90, L.91, D.112, V.113, D.114, K.117, V.130, T.147, V.148, P.149, R.150, A.152, F.171, A.172, P.173, V.187, D.188, F.189 13 PLIP interactions: 11 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:L.91, A:L.95, A:Y.98 Hydrogen bonds: B:R.90, B:L.91, B:V.113, B:K.117, B:K.117, B:V.148, B:F.171, B:F.189 Salt bridges: B:R.90, B:R.90

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sickmier, E.A. et al., X-Ray Structure of a Rex-Family Repressor/NADH Complex: Insights into the Mechanism of Redox Sensing. Structure (2005)

Release Date

2004-09-28

Peptides

Redox-sensing transcriptional repressor rex: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Redox-sensing transcriptional repressor rex

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