7FEI | pdb_00007fei

Complex of FMDV A/WH/CHA/09 and bovine neutralizing scFv antibody R55

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth 1]	LbH_EIF2B	e7fei11	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.1)
B [auth 2]	LbH_EIF2B	e7fei21	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.1)
C [auth 3]	LbH_EIF2B	e7fei31	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.1)
E [auth H]	LbH_EIF2B	e7feiH1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.1)
F [auth L]	LbH_EIF2B	e7feiL1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: LbH_EIF2B	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E [auth H]	Heavy Chain	IGHV1	-	capsid protein vp0 \| capsid protein vp0	SAbDab (2026-03-27)
F [auth L]	Light Chain	IGLV1	Lambda	capsid protein vp0 \| capsid protein vp0	SAbDab (2026-03-27)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 1]	Capsid protein VP0	structural molecule activity	virion attachment to host cell biological process involved in interspecies interaction between organisms adhesion of symbiont to host cell viral process viral life cycle adhesion of symbiont to host biological process involved in interaction with host biological process involved in symbiotic interaction symbiont entry into host cell symbiont entry into host	host cellular component cellular anatomical structure host cell other organism part viral capsid virion component
B [auth 2]	Capsid protein VP0	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups RNA binding binding nucleic acid binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity nucleic acid conformation isomerase activity isomerase activity helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity structural molecule activity	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host symbiont-mediated perturbation of host chromatin organization biological process involved in symbiotic interaction import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport viral gene expression viral protein processing gene expression DNA-templated transcription virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host proteolysis protein metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid icosahedral viral capsid virion component T=pseudo3 icosahedral viral capsid host cell endoplasmic reticulum host cell endomembrane system host cell endoplasmic reticulum membrane host cell nucleus
C [auth 3]	Capsid protein VP0	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups RNA binding binding nucleic acid binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity nucleic acid conformation isomerase activity isomerase activity helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity structural molecule activity	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host symbiont-mediated perturbation of host chromatin organization biological process involved in symbiotic interaction import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport viral gene expression viral protein processing gene expression DNA-templated transcription virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host proteolysis protein metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid icosahedral viral capsid virion component T=pseudo3 icosahedral viral capsid host cell endoplasmic reticulum host cell endomembrane system host cell endoplasmic reticulum membrane host cell nucleus
D [auth 4]	Capsid protein VP0	cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity cysteine-type peptidase activity peptidase activity catalytic activity, acting on a protein cysteine-type endopeptidase activity hydrolase activity catalytic activity endopeptidase activity RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity transferase activity, transferring phosphorus-containing groups RNA binding binding nucleic acid binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides passive transmembrane transporter activity channel activity transporter activity transmembrane transporter activity nucleic acid conformation isomerase activity isomerase activity helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity structural molecule activity	RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process viral genome replication biosynthetic process viral RNA genome replication viral process metabolic process cellular process macromolecule metabolic process symbiont-mediated perturbation of host cellular process biological process involved in interspecies interaction between organisms symbiont-mediated perturbation of host process modulation of process of another organism biological process involved in interaction with host symbiont-mediated perturbation of host chromatin organization biological process involved in symbiotic interaction import into cell receptor-mediated endocytosis of virus by host cell transport establishment of localization vesicle-mediated transport localization symbiont entry into host cell clathrin-dependent endocytosis symbiont entry into host clathrin-dependent endocytosis of virus by host cell receptor-mediated endocytosis endocytosis endocytosis involved in viral entry into host cell transmembrane transport monoatomic ion transmembrane transport monoatomic ion transport viral gene expression viral protein processing gene expression DNA-templated transcription virion attachment to host cell adhesion of symbiont to host cell adhesion of symbiont to host symbiont-mediated perturbation of host autophagy symbiont-mediated activation of host autophagy proteolysis protein metabolic process	host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid host intracellular membrane-bounded organelle host cellular component host intracellular part host cell membrane host cell cytoplasmic vesicle membrane other organism part host cell cytoplasm part host intracellular organelle host cell cytoplasmic vesicle cellular anatomical structure host cell cytoplasm host cell part host intracellular region viral capsid icosahedral viral capsid virion component T=pseudo3 icosahedral viral capsid host cell endoplasmic reticulum host cell endomembrane system host cell endoplasmic reticulum membrane host cell nucleus
E [auth H]	IG HEAVY CHAIN VARIABLE REGION	-	-	-
F [auth L]	IG LAMDA CHAIN VARIABLE REGION	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 1]	IPR029053	Viral coat protein subunit	Homologous Superfamily
A [auth 1]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
A [auth 1]	IPR001676	Picornavirus capsid	Domain
A [auth 1]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
B [auth 2]	IPR001205	RNA-directed RNA polymerase, C-terminal domain	Domain
B [auth 2]	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
B [auth 2]	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
B [auth 2]	IPR008739	Peptidase C28, foot-and-mouth virus L-proteinase	Domain
B [auth 2]	IPR000199	Peptidase C3A/C3B, picornaviral	Domain
B [auth 2]	IPR001676	Picornavirus capsid	Domain
B [auth 2]	IPR014759	Helicase, superfamily 3, single-stranded RNA virus	Domain
B [auth 2]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B [auth 2]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
B [auth 2]	IPR029053	Viral coat protein subunit	Homologous Superfamily
B [auth 2]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
B [auth 2]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
B [auth 2]	IPR004004	Helicase/polymerase/peptidase polyprotein, Calicivirus-type	Family
B [auth 2]	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
B [auth 2]	IPR044067	Picornavirales 3C/3C-like protease domain	Domain
B [auth 2]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
B [auth 2]	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain
B [auth 2]	IPR000605	Helicase, superfamily 3, single-stranded DNA/RNA virus	Domain
B [auth 2]	IPR037080	Capsid protein VP4 superfamily, Picornavirus	Homologous Superfamily
C [auth 3]	IPR001205	RNA-directed RNA polymerase, C-terminal domain	Domain
C [auth 3]	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
C [auth 3]	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
C [auth 3]	IPR008739	Peptidase C28, foot-and-mouth virus L-proteinase	Domain
C [auth 3]	IPR000199	Peptidase C3A/C3B, picornaviral	Domain
C [auth 3]	IPR001676	Picornavirus capsid	Domain
C [auth 3]	IPR014759	Helicase, superfamily 3, single-stranded RNA virus	Domain
C [auth 3]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
C [auth 3]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
C [auth 3]	IPR029053	Viral coat protein subunit	Homologous Superfamily
C [auth 3]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
C [auth 3]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
C [auth 3]	IPR004004	Helicase/polymerase/peptidase polyprotein, Calicivirus-type	Family
C [auth 3]	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
C [auth 3]	IPR044067	Picornavirales 3C/3C-like protease domain	Domain
C [auth 3]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
C [auth 3]	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain
C [auth 3]	IPR000605	Helicase, superfamily 3, single-stranded DNA/RNA virus	Domain
C [auth 3]	IPR037080	Capsid protein VP4 superfamily, Picornavirus	Homologous Superfamily
D [auth 4]	IPR001205	RNA-directed RNA polymerase, C-terminal domain	Domain
D [auth 4]	IPR043128	Reverse transcriptase/Diguanylate cyclase domain	Homologous Superfamily
D [auth 4]	IPR038765	Papain-like cysteine peptidase superfamily	Homologous Superfamily
D [auth 4]	IPR008739	Peptidase C28, foot-and-mouth virus L-proteinase	Domain
D [auth 4]	IPR000199	Peptidase C3A/C3B, picornaviral	Domain
D [auth 4]	IPR001676	Picornavirus capsid	Domain
D [auth 4]	IPR014759	Helicase, superfamily 3, single-stranded RNA virus	Domain
D [auth 4]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
D [auth 4]	IPR043504	Peptidase_S1_PA_chymotrypsin	Unknown
D [auth 4]	IPR029053	Viral coat protein subunit	Homologous Superfamily
D [auth 4]	IPR004080	Foot-and-mouth disease virus VP1 coat	Domain
D [auth 4]	IPR009003	Peptidase S1, PA clan	Homologous Superfamily
D [auth 4]	IPR004004	Helicase/polymerase/peptidase polyprotein, Calicivirus-type	Family
D [auth 4]	IPR043502	DNA/RNA polymerase superfamily	Homologous Superfamily
D [auth 4]	IPR044067	Picornavirales 3C/3C-like protease domain	Domain
D [auth 4]	IPR033703	Picornavirus/Calicivirus coat protein	Domain
D [auth 4]	IPR007094	RNA-directed RNA polymerase, catalytic domain	Domain
D [auth 4]	IPR000605	Helicase, superfamily 3, single-stranded DNA/RNA virus	Domain
D [auth 4]	IPR037080	Capsid protein VP4 superfamily, Picornavirus	Homologous Superfamily