Function and Biology

ABCB1 V978C mutant (mABCB1) in the inward facing state

Source organism: Mus musculus
Biochemical function: ABC-type transporter activity
Biological process: positive regulation of response to drug
Cellular component: intercellular canaliculus

EC 7.6.2.2: ABC-type xenobiotic transporter

Reaction catalysed:
ATP + H(2)O + xenobiotic(Side 1) = ADP + phosphate + xenobiotic(Side 2)
Systematic name:
ATP phosphohydrolase (ABC-type, xenobiotic-exporting)
Alternative Name(s):
  • ATP phosphohydrolase (steroid-exporting)
  • MDR protein
  • Multidrug-resistance protein
  • P-glycoprotein
  • PDR protein
  • Pleiotropic-drug-resistance protein
  • Steroid-transporting ATPase
  • Xenobiotic-transporting ATPase

EC 7.6.2.1: P-type phospholipid transporter

Reaction catalysed:
ATP + H(2)O + phospholipid(Side 1) = ADP + phosphate + phospholipid(Side 2)
Systematic name:
ATP phosphohydrolase (P-type, phospholipid-flipping)
Alternative Name(s):
  • Aminophospholipid-transporting ATPase
  • Flippase
  • Phospholipid-transporting ATPase

GO terms

Biochemical function:
Biological process:
Cellular component:

Sequence families

Pfam Protein families (Pfam)
PF00005
Domain description: ABC transporter
Occurring in:
  1. ATP-dependent translocase ABCB1
The deposited structure of PDB entry 7zkb contains 2 copies of Pfam domain PF00005 (ABC transporter) in ATP-dependent translocase ABCB1. Showing 2 copies in chain A.

PF00664
Domain description: ABC transporter transmembrane region
Occurring in:
  1. ATP-dependent translocase ABCB1
The deposited structure of PDB entry 7zkb contains 2 copies of Pfam domain PF00664 (ABC transporter transmembrane region) in ATP-dependent translocase ABCB1. Showing 2 copies in chain A.

InterPro InterPro annotations
IPR003439
Domain description: ABC transporter-like, ATP-binding domain
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR027417
Domain description: P-loop containing nucleoside triphosphate hydrolase
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR011527
Domain description: ABC transporter type 1, transmembrane domain
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR036640
Domain description: ABC transporter type 1, transmembrane domain superfamily
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR017871
Domain description: ABC transporter-like, conserved site
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR003593
Domain description: AAA+ ATPase domain
Occurring in:
  1. ATP-dependent translocase ABCB1
IPR039421
Domain description: Type 1 protein exporter
Occurring in:
  1. ATP-dependent translocase ABCB1