Annotations: 3AEH

Integral membrane domain of autotransporter Hbp

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Cytochrome_CBB3	e3aehB1	A: alpha arrays	X: Alpha-beta plaits	H: Phage tail protein-like	T: Transmembrane protein 14A	F: Cytochrome_CBB3	ECOD (v295.2)
A	bZIP_Maf	e3aehA1	A: alpha arrays	X: Cystatin-like	H: Cytochrome b5-like heme/steroid binding domain	T: Cytochrome b5-like heme/steroid binding domain	F: bZIP_Maf	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.40.128.130	Mainly Beta	Beta Barrel	Lipocalin	Autotransporter beta-domain	CATH (4.3.0)
A	2.40.128.130	Mainly Beta	Beta Barrel	Lipocalin	Autotransporter beta-domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hemoglobin-binding protease hbp autotransporter	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process	cellular anatomical structure extracellular region cell surface periplasmic space cell outer membrane external encapsulating structure membrane cell envelope outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036709	Autotransporter beta-domain superfamily	Homologous Superfamily
A, B	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
A, B	IPR057393	PIC/HAP1/IgA0-like, second beta-solenoid repeat region	Domain
A, B	IPR005546	Autotransporter beta-domain	Domain
A, B	IPR000710	Peptidase S6, IgA endopeptidase	Family
A, B	IPR006315	Outer membrane autotransporter barrel domain	Domain
A, B	IPR050909	Bacterial Autotransporter Virulence Factors	Family
A, B	IPR012332	Autotransporter, pectate lyase C-like domain superfamily	Homologous Superfamily
A, B	IPR030396	Peptidase family S6 domain	Domain
A, B	IPR011050	Pectin lyase fold/virulence factor	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Beta-barrel transmembrane	Autotransporter (AT) (n=12,S=14)	Autotransporters of N-terminal passenger domain

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Outer Membrane Autotransporters	Hbp (hemoglobin protease) self-cleaving autotransporter with truncated passenger

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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.