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Crystal structure of the metal-sensing transcriptional repressor CzrA from Staphylococcus aureus in the apo-form

X-ray diffraction
2Å resolution
PDB entry 1r1u coloured by chain, front view.
PDB entry 1r1u coloured by chain, side view.
PDB entry 1r1u coloured by chain, top view.
Source organism: Staphylococcus aureus
Assembly composition:
homo dimer (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: HTH arsR-type domain-containing protein
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Multimeric state: homo dimer
Accessible surface area: 10171.95 Å2
Buried surface area: 3011.32 Å2
Dissociation area: 1,505.66 Å2
Dissociation energy (ΔGdiss): 17.7 kcal/mol
Dissociation entropy (TΔSdiss): 11.36 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-131433
Assembly 2
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Assembly Name: HTH arsR-type domain-containing protein
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Multimeric state: homo dimer
Accessible surface area: 10237.91 Å2
Buried surface area: 3388.71 Å2
Dissociation area: 1,694.35 Å2
Dissociation energy (ΔGdiss): 23.79 kcal/mol
Dissociation entropy (TΔSdiss): 11.57 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-131433

Macromolecules

HTH arsR-type domain-containing protein
Chains: A, B, C, D
Length: 106 amino acids
Theoretical weight: 12.01 KDa
Source organism: Staphylococcus aureus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O85142 (Residues: 1-106; Coverage: 100%)
Gene names: AC807_2403, AS572_12580, BN1321_350009, C0100_008795, CFN12_11725, CV021_10345, CzrA, DQV00_04270, EIG96_03545, EP54_06885, EQ90_13065, ERS092965_02391, ERS1058648_01957, ERS195417_02445, G0V59_07795, G0Z31_10255, G6W84_11810, G6Y24_05035, GO793_16165, GO814_05535, GO941_16585, GO942_06145, GQX37_08730, GQX52_05560, GZ156_05085, HT539_11610, M1K003_2263, NCTC10702_03381, NCTC13131_01480, NCTC5664_01801, NCTC6133_02909, NCTC7878_02904, NCTC7972_02574, QU38_06130, SAMEA1029519_02112, SAMEA1531725_01891, SAMEA1965892_01831, SAMEA2078260_01939, SAMEA2078588_01910, SAMEA2079512_02070, SAMEA2080344_01776, SAMEA2080909_02107, SAMEA2081063_01791, SAMEA2081779_02443, SAMEA4008452_02265, SAMEA4008575_00680, SAMEA4008627_02402, SAMEA4552975_02524, SAMEA70146418_02191, SAMEA70153168_02326, SAMEA70245418_02324, czrA, czrA_1, czrA_2, rzcA
Pfam: Bacterial regulatory protein, arsR family
InterPro:
CATH: Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
SCOP: ArsR-like transcriptional regulators
HTH arsR-type domain-containing protein in PDB entry 1r1u, assembly 1, front view.
HTH arsR-type domain-containing protein in PDB entry 1r1u, assembly 1, side view.
HTH arsR-type domain-containing protein in PDB entry 1r1u, assembly 1, top view.
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