Annotations: 1XFO

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1xfoc1	All beta proteins	Domain of alpha and beta subunits of F1 ATP synthase-like	Aminopeptidase/glucanase lid domain	Aminopeptidase/glucanase lid domain	Frv operon protein FrvX	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
C	d1xfoc2	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Bacterial dinuclear zinc exopeptidases	Frv operon protein FrvX, catalytic domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1xfoa1	All beta proteins	Domain of alpha and beta subunits of F1 ATP synthase-like	Aminopeptidase/glucanase lid domain	Aminopeptidase/glucanase lid domain	Frv operon protein FrvX	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1xfoa2	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Bacterial dinuclear zinc exopeptidases	Frv operon protein FrvX, catalytic domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1xfoa3	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d1xfob1	All beta proteins	Domain of alpha and beta subunits of F1 ATP synthase-like	Aminopeptidase/glucanase lid domain	Aminopeptidase/glucanase lid domain	Frv operon protein FrvX	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d1xfob2	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Bacterial dinuclear zinc exopeptidases	Frv operon protein FrvX, catalytic domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
D	d1xfod1	All beta proteins	Domain of alpha and beta subunits of F1 ATP synthase-like	Aminopeptidase/glucanase lid domain	Aminopeptidase/glucanase lid domain	Frv operon protein FrvX	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
D	d1xfod2	Alpha and beta proteins (a/b)	Phosphorylase/hydrolase-like	Zn-dependent exopeptidases	Bacterial dinuclear zinc exopeptidases	Frv operon protein FrvX, catalytic domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Aminopeptidase/glucanase lid domain	8043877	3001917	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2B (2022-06-29)
A	SCOP2 Family	Aminopeptidase/glucanase lid domain	8031499	4000893	SCOP2 (2022-06-29)
A	SCOP2 Family	Bacterial dinuclear zinc exopeptidases	8031500	4000587	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Aminopeptidase/glucanase lid domain	8043877	3001917	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Aminopeptidase/glucanase lid domain	8043877	3001917	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Aminopeptidase/glucanase lid domain	8043877	3001917	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Zn-dependent exopeptidases	8043878	3000662	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)
C	Peptidase_M42	e1xfoC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
C	Peptidase_M18_1st,Peptidase_M20_1st	e1xfoC3	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st,Peptidase_M20_1st	ECOD (1.6)
A	Peptidase_M42	e1xfoA2	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
A	Peptidase_M18_1st,Peptidase_M20_1st	e1xfoA1	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st,Peptidase_M20_1st	ECOD (1.6)
B	Peptidase_M42	e1xfoB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
B	Peptidase_M18_1st,Peptidase_M20_1st	e1xfoB3	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st,Peptidase_M20_1st	ECOD (1.6)
D	Peptidase_M42	e1xfoD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Peptidase_M42	ECOD (1.6)
D	Peptidase_M18_1st,Peptidase_M20_1st	e1xfoD3	A: a/b three-layered sandwiches	X: Phosphorylase/hydrolase-like	H: Zn-dependent exopeptidases (From Topology)	T: Zn-dependent exopeptidases	F: Peptidase_M18_1st,Peptidase_M20_1st	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
C	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
A	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
A	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
B	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
B	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)
D	3.40.630.10	Alpha Beta	3-Layer(aba) Sandwich	Aminopeptidase	Zn peptidases	CATH (4.3.0)
D	2.40.30.40	Mainly Beta	Beta Barrel	Elongation Factor Tu (Ef-tu)	domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF05343	M42 glutamyl aminopeptidase (Peptidase_M42)	M42 glutamyl aminopeptidase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Frv operon protein FrvX	peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity cation binding ion binding binding metal ion binding small molecule binding aminopeptidase activity exopeptidase activity	proteolysis metabolic process primary metabolic process protein metabolic process macromolecule metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR023367	Peptidase M42, domain 2	Homologous Superfamily
A, B, C, D	IPR051464	Peptidase M42 aminopeptidase	Family
A, B, C, D	IPR008007	Peptidase M42	Family

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.