PDBe 2yz2

X-ray diffraction
2.3Å resolution

Crystal structure of the ABC transporter in the cobalt transport system

Source organism: Thermotoga maritima MSB8
Entry authors: Ethayathullah AS, Bessho Y, Padmanabhan B, Singh TP, Kaur P, Yokoyama S, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo octamer
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Energy-coupling factor transporter ATP-binding protein EcfA2 Chains: A, B
Molecule details ›
Chains: A, B
Length: 266 amino acids
Theoretical weight: 30.28 KDa
Source organism: Thermotoga maritima MSB8
Expression system: Escherichia coli
  • Canonical: Q9WY65 (Residues: 1-266; Coverage: 100%)
Gene names: TM_0222, ecfA, ecfA', ecfA2
Sequence domains: ABC transporter
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: P6422
Unit cell:
a: 148.499Å b: 148.499Å c: 106.967Å
α: 90° β: 90° γ: 120°
R R work R free
0.218 0.214 0.294
Expression system: Escherichia coli