Annotations: 9J9Z

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth H]	Beta-Casp	e9j9zH1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)
B [auth K]	Beta-Casp	e9j9zK1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)
C [auth L]	Beta-Casp	e9j9zL1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth H]	Heavy Chain	IGHV3	-	muropeptide transporter,soluble cytochrome b562	SAbDab (2026-06-05)
B [auth K]	Heavy Chain	IGHV1	-	-	SAbDab (2026-06-05)
C [auth L]	Light Chain	IGKV1	Kappa	muropeptide transporter,soluble cytochrome b562	SAbDab (2026-06-05)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth H]	anti-BRIL Fab Heavy chain	-	-	-
B [auth K]	anti-BRIL Fab Nanobody	-	-	-
C [auth L]	anti-BRIL Fab Light chain	-	-	-
D [auth A]	Muropeptide transporter,Soluble cytochrome b562	active transmembrane transporter activity transporter activity symporter activity transmembrane transporter activity secondary active transmembrane transporter activity	cellular component organization cell wall organization or biogenesis cell wall organization cellular process cellular component organization or biogenesis external encapsulating structure organization	cell periphery cellular anatomical structure plasma membrane membrane

Chains	Accession	Name	Type
D [auth A]	IPR011701	Major facilitator superfamily	Family
D [auth A]	IPR004752	AmpG-like permease/Acetyl-coenzyme A transporter 1	Family
D [auth A]	IPR036259	MFS transporter superfamily	Homologous Superfamily
D [auth A]	IPR020846	Major facilitator superfamily domain	Domain

Chains	External Link	Comment
D [auth A]	MemProtMD	Annotated as membrane protein by MemProtMD

Chains	Resource Link	Group	Subgroup	Protein
D [auth A]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Major Facilitator Superfamily (MFS) Transporters	AmpG anhydromuropeptide permease, inward state

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

9J9Z | pdb_00009j9z