1AH5 | pdb_00001ah5

REDUCED FORM SELENOMETHIONINE-LABELLED HYDROXYMETHYLBILANE SYNTHASE DETERMINED BY MAD

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1ah5a1	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	Porphobilinogen deaminase (hydroxymethylbilane synthase), N-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ah5a2	Alpha and beta proteins (a+b)	dsRBD-like	Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain	Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain	Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type 2 solute binding protein-like	8033314	3000083	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Porphobilinogen deaminase (hydroxymethylbilane synthase), C-terminal domain	8035105	3001007	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e1ah5A1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: DUF3197	F:	ECOD (20:10:01)
A		e1ah5A2	A: Four-helical up-and-down bundle	X: Glycosyl hydrolase domain	H: Glycosyl hydrolase domain	T: LysR_substrate	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (4.3.0)
A	3.30.160.40	Alpha Beta	2-Layer Sandwich	Double Stranded RNA Binding Domain	Porphobilinogen deaminase, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF03900	Porphobilinogen deaminase, C-terminal domain (Porphobil_deamC)	Porphobilinogen deaminase, C-terminal domain		Domain
A	PF01379	Porphobilinogen deaminase, dipyromethane cofactor binding domain (Porphobil_deam)	Porphobilinogen deaminase, dipyromethane cofactor binding domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	HYDROXYMETHYLBILANE SYNTHASE	hydroxymethylbilane synthase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	heme metabolic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process heme biosynthetic process pigment biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process protoporphyrinogen IX metabolic process protoporphyrinogen IX biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR022419	Porphobilinogen deaminase, dipyrromethane cofactor binding site	Binding Site
A	IPR036803	Porphobilinogen deaminase, C-terminal domain superfamily	Homologous Superfamily
A	IPR022418	Porphobilinogen deaminase, C-terminal	Domain
A	IPR000860	Porphobilinogen deaminase	Family
A	IPR022417	Porphobilinogen deaminase, N-terminal	Domain

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.