5xn3

X-ray diffraction
1.34Å resolution

Crystal structure of SPSB2 in complex with a rational designed RGD containing cyclic peptide inhibitor of SPSB2-iNOS interaction

Released:

Function and Biology Details

Reaction catalysed:
(1a) 2 L-arginine + 2 NADPH + 2 O(2) = 2 N(omega)-hydroxy-L-arginine + 2 NADP(+) + 2 H(2)O
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-152857 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
SPRY domain-containing SOCS box protein 2 Chain: A
Molecule details ›
Chain: A
Length: 209 amino acids
Theoretical weight: 22.9 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q99619 (Residues: 22-220; Coverage: 76%)
Gene names: GRCC9, SPSB2, SSB2
Sequence domains: SPRY domain
Nitric oxide synthase, inducible Chain: B
Molecule details ›
Chain: B
Length: 8 amino acids
Theoretical weight: 902 Da
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: P35228 (Residues: 23-28; Coverage: 1%)
Gene names: NOS2, NOS2A

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL19U1
Spacegroup: P21
Unit cell:
a: 32.49Å b: 64.6Å c: 47.59Å
α: 90° β: 102.95° γ: 90°
R-values:
R R work R free
0.181 0.18 0.2
Expression systems:
  • Escherichia coli
  • Not provided