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FREE AND LIGANDED FORM OF AN ESTEROLYTIC CATALYTIC ANTIBODY

X-ray diffraction
2.68Å resolution
PDB entry 1hkl coloured by chain, front view.
PDB entry 1hkl coloured by chain, side view.
PDB entry 1hkl coloured by chain, top view.
Source organism: Homo sapiens
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: IG-light kappa chain and IG-heavy chain
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Multimeric state: hetero dimer
Accessible surface area: 19780.81 Å2
Buried surface area: 3430.94 Å2
Dissociation area: 1,715.47 Å2
Dissociation energy (ΔGdiss): 17.94 kcal/mol
Dissociation entropy (TΔSdiss): 13.15 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-134615

Macromolecules

Immunoglobulin kappa constant
Chain: L
Length: 214 amino acids
Theoretical weight: 23.49 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01834 (Residues: 1-107; Coverage: 100%)
Gene name: IGKC
Pfam: Immunoglobulin C1-set domain
InterPro:
CATH: Immunoglobulins
SCOP:
Immunoglobulin kappa constant in PDB entry 1hkl, assembly 1, front view.
Immunoglobulin kappa constant in PDB entry 1hkl, assembly 1, side view.
Immunoglobulin kappa constant in PDB entry 1hkl, assembly 1, top view.
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Immunoglobulin heavy constant gamma 1
Chain: H
Length: 217 amino acids
Theoretical weight: 23.21 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P01857 (Residues: 1-103; Coverage: 26%)
Gene name: IGHG1
Pfam: Immunoglobulin C1-set domain
InterPro:
CATH: Immunoglobulins
SCOP:
Immunoglobulin heavy constant gamma 1 in PDB entry 1hkl, assembly 1, front view.
Immunoglobulin heavy constant gamma 1 in PDB entry 1hkl, assembly 1, side view.
Immunoglobulin heavy constant gamma 1 in PDB entry 1hkl, assembly 1, top view.
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