5szh

X-ray diffraction
2.3Å resolution

Structure of human Rab1b in complex with the bMERB domain of Mical-cL

Released:

Function and Biology Details

Reactions catalysed:
[F-actin]-L-methionine + NADPH + O(2) + H(+) = [F-actin]-L-methionine-(R)-S-oxide + NADP(+) + H(2)O
GTP + H(2)O = GDP + phosphate
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-131776 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
[F-actin]-monooxygenase MICAL2 Chain: A
Molecule details ›
Chain: A
Length: 153 amino acids
Theoretical weight: 18.47 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O94851 (Residues: 1796-1945; Coverage: 8%)
Gene names: KIAA0750, MICAL2, MICAL2PV1, MICAL2PV2, MICALCL
Sequence domains: Bivalent Mical/EHBP Rab binding domain
Ras-related protein Rab-1B Chain: B
Molecule details ›
Chain: B
Length: 203 amino acids
Theoretical weight: 22.39 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9H0U4 (Residues: 1-201; Coverage: 100%)
Gene name: RAB1B
Sequence domains: Ras family
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: I222
Unit cell:
a: 61.75Å b: 129.38Å c: 129.85Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.181 0.179 0.207
Expression system: Escherichia coli