4QWW | pdb_00004qww

Crystal structure of the Fab410-BfAChE complex

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
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F	d4qwwf_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
D	d4qwwd_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E	d4qwwe2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E	d4qwwe1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
C	d4qwwc1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d4qwwb_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	Acetylcholinesterase-like	automated matches	(Bungarus fasciatus ) [TaxId: 8613 ],	SCOPe (2.08)
A	d4qwwa_	Alpha and beta proteins (a/b)	alpha/beta-Hydrolases	alpha/beta-Hydrolases	Acetylcholinesterase-like	automated matches	(Bungarus fasciatus ) [TaxId: 8613 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	alpha/beta-Hydrolases	8071832	3000102	SCOP2B (2022-06-29)
A	SCOP2 Family	Acetylcholinesterase-like	8071831	4000699	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	alpha/beta-Hydrolases	8071832	3000102	SCOP2 (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	V-set_8	e4qwwF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
F	C1-set_1	e4qwwF2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
D	V-set_8	e4qwwD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
D	C1-set_1	e4qwwD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
E	C1-set_4	e4qwwE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
E	V-set	e4qwwE2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
C	C1-set_4	e4qwwC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
C	V-set	e4qwwC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
B	COesterase	e4qwwB1	A: a/b three-layered sandwiches	X: alpha/beta-Hydrolases (From Topology)	H: alpha/beta-Hydrolases (From Topology)	T: alpha/beta-Hydrolases	F: COesterase	ECOD (1.6)
A	COesterase	e4qwwA1	A: a/b three-layered sandwiches	X: alpha/beta-Hydrolases (From Topology)	H: alpha/beta-Hydrolases (From Topology)	T: alpha/beta-Hydrolases	F: COesterase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
C	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	CATH (4.3.0)
A	3.40.50.1820	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Alpha/Beta hydrolase fold, catalytic domain	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
D, F	Fab410	VH-CH1	Mus musculus (house mouse)	IGHV10-102, IGHV10-301, IGHJ401, IGHG101	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202549-0)
C, E	Fab410	L-KAPPA	Mus musculus (house mouse)	IGKV4-6101, IGKJ101, IGKJ201, IGKC01, IGKC*02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202549-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, F	Heavy Chain	IGHV10	-	acetylcholinesterase	SAbDab (2025-12-19)
C, E	Light Chain	IGKV4	Kappa	acetylcholinesterase	SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00135	Carboxylesterase family (COesterase)	Carboxylesterase family		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D, F	Fab410 antibody heavy chain	-	-	-
C, E	Fab410 antibody light chain	-	-	-
A, B	Acetylcholinesterase	acetylcholinesterase activity hydrolase activity, acting on ester bonds cholinesterase activity carboxylic ester hydrolase activity hydrolase activity catalytic activity toxin activity	trans-synaptic signaling regulation of biological process catabolic process signaling biological regulation cell-cell signaling acetylcholine catabolic process in synaptic cleft chemical synaptic transmission cell communication synaptic signaling anterograde trans-synaptic signaling synaptic transmission, cholinergic acetylcholine catabolic process acetylcholine metabolic process trans-synaptic signaling regulation of biological process catabolic process signaling biological regulation cell-cell signaling acetylcholine catabolic process in synaptic cleft chemical synaptic transmission cell communication synaptic signaling anterograde trans-synaptic signaling synaptic transmission, cholinergic acetylcholine catabolic process acetylcholine metabolic process cellular process metabolic process choline metabolic process	cellular anatomical structure synapse cell junction cell periphery plasma membrane membrane synaptic cleft extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR019826	Carboxylesterase type B, active site	Active Site
A, B	IPR050654	Acetylcholinesterase-related enzymes	Family
A, B	IPR000997	Cholinesterase	Family
A, B	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily
A, B	IPR002018	Carboxylesterase, type B	Domain
A, B	IPR019819	Carboxylesterase type B, conserved site	Conserved Site
A, B	IPR000908	Acetylcholinesterase, fish/snake	Family
A, B	IPR014788	Acetylcholinesterase, tetramerisation domain	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Monotopic/peripheral	Alpha/Beta monotopic/peripheral	Alpha/beta-hydrolases	Acetylcholinesterase-like

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.