Annotations: 8DA7

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02216	B domain (B)	B domain	This family contains the B domain of Staphylococcal protein A, which specifically binds to the Fc portion of immunoglobulin G.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Immunoglobulin G-binding protein A	protein-containing complex binding binding immunoglobulin binding IgG binding	symbiont-mediated suppression of host signal transduction pathway symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated suppression of host signal transduction pathway via antagonism of host cell surface receptor symbiont-mediated perturbation of host process symbiont-mediated perturbation of host signal transduction pathway modulation of process of another organism biological process involved in interaction with host biological process involved in symbiotic interaction	cellular anatomical structure extracellular region
B	affibody LL1.FIFV	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
A	IPR005877	YSIRK Gram-positive signal peptide	Domain
A	IPR036779	LysM domain superfamily	Homologous Superfamily
A	IPR005038	Octapeptide repeat	Repeat
A	IPR003132	Protein A, Ig-binding domain	Domain
A	IPR018392	LysM domain	Domain
A	IPR019931	LPXTG cell wall anchor domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	LAL	Parent Component: ALA
A	MLY	Parent Component: LYS RESID: AA0075 PSI-MOD : N6,N6-dimethyl-L-lysine MOD:00084
B	MLY	Parent Component: LYS RESID: AA0075 , AA0075 PSI-MOD : N6,N6-dimethyl-L-lysine MOD:00084 , N6,N6-dimethyl-L-lysine MOD:00084

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.