4ETQ | pdb_00004etq

Vaccinia virus D8L IMV envelope protein in complex with Fab of murine IgG2a LA5

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
IMGT Antibody Annotation
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F [auth C]	d4etqc_	All beta proteins	Carbonic anhydrase	Carbonic anhydrase	automated matches	automated matches	(Orthopoxvirus vaccinia ) [TaxId: 10245 ],	SCOPe (2.08)
E [auth X]	d4etqx_	All beta proteins	Carbonic anhydrase	Carbonic anhydrase	automated matches	automated matches	(Orthopoxvirus vaccinia ) [TaxId: 10245 ],	SCOPe (2.08)
D [auth B]	d4etqb2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D [auth B]	d4etqb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth L]	d4etql2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth L]	d4etql1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth H]	d4etqh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth H]	d4etqh2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth A]	d4etqa1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C [auth A]	d4etqa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth C]	SCOP2B Superfamily	Carbonic anhydrase	8065133	3001672	SCOP2B (2022-06-29)
E [auth X]	SCOP2B Superfamily	Carbonic anhydrase	8065133	3001672	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)
F [auth C]		e4etqC1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: FtsJ	F:	ECOD (20:10:01)
E [auth X]		e4etqX1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: FtsJ	F:	ECOD (20:10:01)
D [auth B]		e4etqB1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: 14-3-3	F:	ECOD (20:10:01)
B [auth L]		e4etqL1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: 14-3-3	F:	ECOD (20:10:01)
A [auth H]		e4etqH1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: FtsJ	F:	ECOD (20:10:01)
C [auth A]		e4etqA1	A: beta-Grasp	X: Ubiquitin-related	H: Ubiquitin-like	T: FtsJ	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth C]	3.10.200.10	Alpha Beta	Roll	Carbonic Anhydrase II	Alpha carbonic anhydrase	CATH (4.3.0)
E [auth X]	3.10.200.10	Alpha Beta	Roll	Carbonic Anhydrase II	Alpha carbonic anhydrase	CATH (4.3.0)
D [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C [auth A]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
B [auth L], D [auth B]	ANTI-VACCINIA D8L ANTIGEN MURINE MONOCLONAL IGG2A ANTIBODY LA5	L-KAPPA	Mus musculus (house mouse)	IGKV4-5501, IGKJ501, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	(L-KAPPA_VH-VH-CH1)	IMGT (202609-0)
A [auth H], C [auth A]	ANTI-VACCINIA D8L ANTIGEN MURINE MONOCLONAL IGG2A ANTIBODY LA5	VH-CH1	Mus musculus (house mouse)	IGHV1S12601, IGHV1S12701, IGHJ101, IGHJ102, IGHG2A01, IGHG2A02	V-DOMAIN VH, C-DOMAIN CH1	IG	(L-KAPPA_VH-VH-CH1)	IMGT (202609-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L], D [auth B]	Light Chain	IGKV4	Kappa	imv membrane protein	SAbDab (2026-03-13)
A [auth H], C [auth A]	Heavy Chain	IGHV1	-	imv membrane protein	SAbDab (2026-03-13)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth X], F [auth C]	IMV membrane protein	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding carbonate dehydratase activity hydro-lyase activity lyase activity catalytic activity carbon-oxygen lyase activity	-	virion component virion membrane
B [auth L], D [auth B]	anti-vaccinia D8L antigen murine monoclonal IgG2a antibody LA5, light chain	-	-	-
A [auth H], C [auth A]	anti-vaccinia D8L antigen murine monoclonal IgG2a antibody LA5, heavy chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth X], F [auth C]	IPR001148	Alpha carbonic anhydrase domain	Domain
E [auth X], F [auth C]	IPR036398	Alpha carbonic anhydrase domain superfamily	Homologous Superfamily
E [auth X], F [auth C]	IPR023561	Carbonic anhydrase, alpha-class	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.