Annotations: 3TMB

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HD_5	e3tmbA1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD_5	ECOD (1.6)
B	HD_5,RNAse_Pc_like	e3tmbB1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: HD_5,RNAse_Pc_like	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)
B	1.10.3210.10	Mainly Alpha	Orthogonal Bundle	Hypothetical protein af1432	Hypothetical protein af1432	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF13487	HD domain (HD_5)	HD domain	HD domains are metal dependent phosphohydrolases [1,2]. This entry covers the HD-GYP domain [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Uncharacterized protein Bd1817	cation binding ion binding binding metal ion binding small molecule binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003607	HD/PDEase domain	Domain
A, B	IPR006675	HDIG domain	Domain
A, B	IPR037522	HD-GYP domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.