Annotations: 4MKM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF18202	e4mkmA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF18202	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.3930	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF18202	T-Q ester bond containing domain (TQ)	T-Q ester bond containing domain	This domain is found in gram positive bacterial surface proteins. It contains a very unusual ester bond between a conserved threonine residue on the N-terminal beta strand of the Ig-like fold and a glutamine residue in the final strand of the domain. ...	This domain is found in gram positive bacterial surface proteins. It contains a very unusual ester bond between a conserved threonine residue on the N-terminal beta strand of the Ig-like fold and a glutamine residue in the final strand of the domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Putative surface anchored protein	cation binding ion binding binding metal ion binding small molecule binding	-	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR041100	T-Q ester bond containing domain	Domain
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR041033	Prealbumin-like fold domain	Domain
A	IPR023849	TQXA domain	Domain
A	IPR013552	Thioester domain	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 R01GM133198.