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Crystal Structure of Cysteinyl-tRNA Synthetase with Cysteine Substrate Bound

X-ray diffraction
2.6Å resolution
PDB entry 1li7 coloured by chain, front view.
PDB entry 1li7 coloured by chain, side view.
PDB entry 1li7 coloured by chain, top view.
Source organism: Escherichia coli
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Cysteine--tRNA ligase
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Multimeric state: monomeric
Accessible surface area: 15479.17 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-149465
Assembly 2
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Assembly Name: Cysteine--tRNA ligase
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Multimeric state: monomeric
Accessible surface area: 15211.56 Å2
Buried surface area: 0.0 Å2
Dissociation area: 0 Å2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-149465

Macromolecules

Cysteine--tRNA ligase
Chains: A, B
Length: 461 amino acids
Theoretical weight: 52.27 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P21888 (Residues: 1-461; Coverage: 100%)
Gene names: JW0515, b0526, cysS
Pfam:
InterPro:
CATH:
SCOP:
Cysteine--tRNA ligase in PDB entry 1li7, assembly 1, front view.
Cysteine--tRNA ligase in PDB entry 1li7, assembly 1, side view.
Cysteine--tRNA ligase in PDB entry 1li7, assembly 1, top view.
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