SMTL ID : 1xcb.2 (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

3 x CA: CALCIUM ION(Non-functional Binders)(Non-covalent)

CA.1: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP) CA.3: 1 residues within 4Å: Chain B: G.139 No protein-ligand interaction detected (PLIP) CA.4: 2 residues within 4Å: Chain B: V.187, D.188 No protein-ligand interaction detected (PLIP)

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

NAD.2: 23 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, R.150, F.171, A.172, P.173, V.187, D.188, F.189 Chain B: A.94, Y.98 14 PLIP interactions: 12 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:L.91, B:Y.98, B:Y.98 Hydrogen bonds: A:R.90, A:L.91, A:V.113, A:D.114, A:K.117, A:K.117, A:V.148, A:V.187, A:F.189 Salt bridges: A:R.90, A:R.90 NAD.5: 26 residues within 4Å: Chain A: A.94, L.95, Y.98, 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
C

B
D

Redox-sensing transcriptional repressor rex

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