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crystal structure of collagen IV NC1 domain from placenta basement membrane

X-ray diffraction
1.5Å resolution
PDB entry 1t61 coloured by chain, front view.
PDB entry 1t61 coloured by chain, side view.
PDB entry 1t61 coloured by chain, top view.
Source organism: Bos taurus
Assembly composition:
hetero hexamer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Collagen alpha-2(IV) chain and Arresten
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Multimeric state: hetero hexamer
Accessible surface area: 37687.11 Å2
Buried surface area: 39297.66 Å2
Dissociation area: 5,164.04 Å2
Dissociation energy (ΔGdiss): 54.35 kcal/mol
Dissociation entropy (TΔSdiss): 16.17 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-181941

Macromolecules

Arresten
Chains: A, B, D, E
Length: 229 amino acids
Theoretical weight: 25.4 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q7SIB2 (Residues: 1441-1669; Coverage: 14%)
Gene name: COL4A1
Pfam: C-terminal tandem repeated domain in type 4 procollagen
InterPro:
CATH: Collagen IV, non-collagenous
SCOP: Noncollagenous (NC1) domain of collagen IV
Arresten in PDB entry 1t61, assembly 1, front view.
Arresten in PDB entry 1t61, assembly 1, side view.
Arresten in PDB entry 1t61, assembly 1, top view.
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Collagen alpha-2(IV) chain
Chains: C, F
Length: 227 amino acids
Theoretical weight: 25.08 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q7SIB3 (Residues: 1-227; Coverage: 100%)
Gene name: COL4A2
Pfam: C-terminal tandem repeated domain in type 4 procollagen
InterPro:
CATH: Collagen IV, non-collagenous
SCOP: Noncollagenous (NC1) domain of collagen IV
Collagen alpha-2(IV) chain in PDB entry 1t61, assembly 1, front view.
Collagen alpha-2(IV) chain in PDB entry 1t61, assembly 1, side view.
Collagen alpha-2(IV) chain in PDB entry 1t61, assembly 1, top view.
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