Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
Ke6bliK1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
He6bliH1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
Ee6bliE1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
BNMTe6bliB1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF: NMTECOD (v294.1)
Je6bliJ1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
Ge6bliG1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
De6bliD1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF:ECOD (v294.1)
ANMTe6bliA1 A: a/b three-layered sandwichesX: Periplasmic binding protein-like IIH: Rubredoxin-relatedT: Tetrapyrrole methylase C-terminal domainF: NMTECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
K2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
H2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
J2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
G2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
B, E, H, K
Fab CB002.5 L-KAPPA Homo sapiens (human) IGKV1-39*01, IGKV1D-39*01, IGKJ1*01, IGKC*01 V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA IG FAB-GAMMA-1_KAPPA IMGT (202614-0)
A, D, G, J
Fab CB002.5 VH-CH1 Homo sapiens (human) IGHV4-59*01, IGHV4-59*02, IGHV4-59*08, IGHV4-4*08, IGHJ5*02, IGHG1*03 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_KAPPA IMGT (202614-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B, E, H, K
Light ChainIGKV1 Kappamajor surface glycoprotein gSAbDab (2026-04-17)
A, D, G, J
Heavy ChainIGHV4 -major surface glycoprotein gSAbDab (2026-04-17)

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
C, F, I, L
IPR000925Major surface glycoprotein GFamily

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
A, D, G, J
PCA Parent Component: GLN

RESIDAA0031

PSI-MOD :  2-pyrrolidone-5-carboxylic acid (Gln) MOD:00040 , 2-pyrrolidone-5-carboxylic acid (Glu) MOD:00420