Annotations: 5VJQ

Complex between HyHEL10 Fab fragment heavy chain mutant (I29F, S52T, Y53F) and Pekin duck egg lysozyme isoform I (DEL-I)

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
L	d5vjql_	Alpha and beta proteins (a+b)	Lysozyme-like	Lysozyme-like	C-type lysozyme	automated matches	(Anas platyrhynchos ) [TaxId: 8839 ],	SCOPe (2.08)
I [auth K]	d5vjqk_	Alpha and beta proteins (a+b)	Lysozyme-like	Lysozyme-like	C-type lysozyme	automated matches	(Anas platyrhynchos ) [TaxId: 8839 ],	SCOPe (2.08)
F [auth J]	d5vjqj_	Alpha and beta proteins (a+b)	Lysozyme-like	Lysozyme-like	C-type lysozyme	automated matches	(Anas platyrhynchos ) [TaxId: 8839 ],	SCOPe (2.08)
C [auth I]	d5vjqi_	Alpha and beta proteins (a+b)	Lysozyme-like	Lysozyme-like	C-type lysozyme	automated matches	(Anas platyrhynchos ) [TaxId: 8839 ],	SCOPe (2.08)
K [auth H]	d5vjqh2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
K [auth H]	d5vjqh1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
H [auth F]	d5vjqf2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
H [auth F]	d5vjqf1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
E [auth D]	d5vjqd2	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 [auth D]	d5vjqd1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B	d5vjqb2	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	d5vjqb1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
J [auth G]	d5vjqg_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
G [auth E]	d5vjqe_	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 [auth C]	d5vjqc_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A	d5vjqa_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(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)
L	SCOP2B Superfamily	Lysozyme-like	8069391	3001879	SCOP2B (2022-06-29)
I [auth K]	SCOP2B Superfamily	Lysozyme-like	8069391	3001879	SCOP2B (2022-06-29)
F [auth J]	SCOP2B Superfamily	Lysozyme-like	8069391	3001879	SCOP2B (2022-06-29)
C [auth I]	SCOP2B Superfamily	Lysozyme-like	8069391	3001879	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)
L	zf-C3HC4_5	e5vjqL1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
I [auth K]	zf-C3HC4_5	e5vjqK1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
F [auth J]	zf-C3HC4_5	e5vjqJ1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
C [auth I]	zf-C3HC4_5	e5vjqI1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
K [auth H]	zf-C3HC4_5	e5vjqH1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
H [auth F]	zf-C3HC4_5	e5vjqF1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
E [auth D]	LRR_1, LRRNT_2, LRR_4, LRR_8	e5vjqD1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: LRR_1, LRRNT_2, LRR_4, LRR_8	ECOD (v295.2)
B	zf-C3HC4_5	e5vjqB1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
J [auth G]	zf-C3HC4_5	e5vjqG1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
G [auth E]	zf-C3HC4_5	e5vjqE1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
D [auth C]	zf-C3HC4_5	e5vjqC1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)
A	zf-C3HC4_5	e5vjqA1	A: alpha arrays	X: FAD-linked reductases, C-terminal domain-like	H: FAD-linked reductases-C	T: FAD-linked reductases-C	F: zf-C3HC4_5	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
L	1.10.530.10	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
I [auth K]	1.10.530.10	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
F [auth J]	1.10.530.10	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
C [auth I]	1.10.530.10	Mainly Alpha	Orthogonal Bundle	Lysozyme		CATH (4.3.0)
K [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
H [auth F]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
E [auth D]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
B	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
J [auth G]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
G [auth E]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
D [auth C]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)
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, E [auth D], H [auth F], K [auth H]	Fab HyHEL10	L-KAPPA	Mus musculus (house mouse)	IGKV5-4301, IGKJ201, IGKC01, IGKC02	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202639-0)
A, D [auth C], G [auth E], J [auth G]	Fab HyHEL10	VH-CH1	Mus musculus (house mouse)	IGHV3-802, IGHV3S101, IGHJ301, IGHG102	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202639-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, E [auth D], H [auth F], K [auth H]	Light Chain	IGKV5	Kappa	lysozyme	SAbDab (2026-10-09)
A, D [auth C], G [auth E], J [auth G]	Heavy Chain	IGHV3	-	lysozyme	SAbDab (2026-10-09)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth C], G [auth E], J [auth G]	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth I], F [auth J], I [auth K], L	Lysozyme	hydrolase activity, acting on glycosyl bonds peptidoglycan muralytic activity hydrolase activity, hydrolyzing O-glycosyl compounds lysozyme activity hydrolase activity catalytic activity	biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to external stimulus defense response to Gram-negative bacterium response to biotic stimulus defense response to bacterium response to bacterium response to stress response to external biotic stimulus defense response to Gram-positive bacterium catabolic process cell wall organization or biogenesis biological process involved in interspecies interaction between organisms response to stimulus response to other organism defense response response to external stimulus defense response to Gram-negative bacterium response to biotic stimulus defense response to bacterium response to bacterium response to stress response to external biotic stimulus defense response to Gram-positive bacterium catabolic process cell wall organization or biogenesis metabolic process cellular process macromolecule metabolic process macromolecule catabolic process cell wall macromolecule catabolic process cell wall macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm extracellular region
B, E [auth D], H [auth F], K [auth H]	HyHEL10 light chain Fab fragment	-	-	cell periphery cellular anatomical structure plasma membrane membrane extracellular region
A, D [auth C], G [auth E], J [auth G]	HyHEL10 heavy chain Fab fragment carrying three mutations; I29F, S52T, Y53F	-	-	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth I], F [auth J], I [auth K], L	IPR001916	Glycoside hydrolase, family 22	Family
C [auth I], F [auth J], I [auth K], L	IPR019799	Glycoside hydrolase family 22 domain	Domain
C [auth I], F [auth J], I [auth K], L	IPR000974	Glycoside hydrolase, family 22, lysozyme	Family
C [auth I], F [auth J], I [auth K], L	IPR023346	Lysozyme-like domain superfamily	Homologous Superfamily
B, E [auth D], H [auth F], K [auth H]	IPR003597	Immunoglobulin C1-set	Domain
B, E [auth D], H [auth F], K [auth H]	IPR050150	Immunoglobulin Variable Light Chain	Family
B, E [auth D], H [auth F], K [auth H]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B, E [auth D], H [auth F], K [auth H]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B, E [auth D], H [auth F], K [auth H]	IPR003598	Immunoglobulin subtype 2	Domain
B, E [auth D], H [auth F], K [auth H]	IPR013106	Immunoglobulin V-set domain	Domain
B, E [auth D], H [auth F], K [auth H]	IPR003599	Immunoglobulin domain subtype	Domain
B, E [auth D], H [auth F], K [auth H]	IPR007110	Immunoglobulin-like domain	Domain
B, E [auth D], H [auth F], K [auth H]	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, D [auth C], G [auth E], J [auth G]	IPR003597	Immunoglobulin C1-set	Domain
A, D [auth C], G [auth E], J [auth G]	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, D [auth C], G [auth E], J [auth G]	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, D [auth C], G [auth E], J [auth G]	IPR007110	Immunoglobulin-like domain	Domain
A, D [auth C], G [auth E], J [auth G]	IPR050380	Immune Recognition and Response Modulators	Family