Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
A [auth C]SCOP2B Superfamily4-helical cytokines 8039173 3001717 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
B [auth A]Ribosomal_L34ee7n0aA1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ribosomal_L34eECOD (v294.1)
C [auth B]Ribosomal_L34ee7n0aB1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ribosomal_L34eECOD (v294.1)
A [auth C]Ribosomal_L34ee7n0aC1 A: a/b three-layered sandwichesX: RNase A-likeH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ribosomal_L34eECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B [auth A]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)
C [auth B]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
B [auth A]Light ChainIGKV2 Kappaleukemia inhibitory factorSAbDab (2026-04-10)
C [auth B]Heavy ChainIGHV3 -leukemia inhibitory factorSAbDab (2026-04-10)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
B [auth A] Falbikitug LIFTherapeutic SAbDab (2026-04-10)
C [auth B] Falbikitug LIFTherapeutic SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A [auth C]PF01291LIF / OSM family (LIF_OSM)LIF / OSM familyDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth A]MSC-1 Fab Light chain---
C [auth B]MSC-1 Fab Heavy chain---
A [auth C]Leukemia inhibitory factor