6P4A | pdb_00006p4a

HyHEL10 Fab complexed with hen egg lysozyme carrying two mutations (HEL2x-rigid): R21Q and R73E


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilyLysozyme-like 8037428 3001879 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
A [auth L]C1-set_4e6p4aL1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_4ECOD (1.6)
A [auth L]V-sete6p4aL2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-setECOD (1.6)
B [auth H]V-set_8e6p4aH1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
B [auth H]C1-set_1e6p4aH2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
CLyse6p4aC1 A: a+b complex topologyX: Lysozyme-like (From Homology)H: Lysozyme-likeT: Lysozyme-likeF: LysECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A [auth L]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
B [auth H]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C1.10.530.10 Mainly Alpha Orthogonal Bundle Lysozyme CATH (utative)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A [auth L]Fab HyHEL10 L-KAPPA Mus musculus (house mouse) IGKV5-43*01, IGKJ2*01, IGKC*01, IGKC*02 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202537-0)
B [auth H]Fab HyHEL10 VH-CH1 Mus musculus (house mouse) IGHV3-8*02, IGHV3S1*01, IGHJ3*01, IGHG1*02 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202537-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
A [auth L]Light ChainIGKV5 Kappalysozyme cSAbDab (2025-09-26)
B [auth H]Heavy ChainIGHV3 -lysozyme cSAbDab (2025-09-26)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth L]PF07686Immunoglobulin V-set domain (V-set)Immunoglobulin V-set domainThis domain is found in antibodies as well as neural protein P0 and CTL4 amongst others. Domain
A [auth L]PF07654Immunoglobulin C1-set domain (C1-set)Immunoglobulin C1-set domainDomain
PF00062C-type lysozyme/alpha-lactalbumin family (Lys)C-type lysozyme/alpha-lactalbumin familyAlpha-lactalbumin is the regulatory subunit of lactose synthase, changing the substrate specificity of galactosyltransferase from N-acetylglucosamine to glucose. C-type lysozymes are secreted bacteriolytic enzymes that cleave the peptidoglycan of bac ...Alpha-lactalbumin is the regulatory subunit of lactose synthase, changing the substrate specificity of galactosyltransferase from N-acetylglucosamine to glucose. C-type lysozymes are secreted bacteriolytic enzymes that cleave the peptidoglycan of bacterial cell walls. Structure is a multi-domain, mixed alpha and beta fold, containing four conserved disulfide bonds.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth L]HyHEL10 Fab light chain- - -
B [auth H]HyHEL10 Fab heavy chain---
Lysozyme C