5FUC | pdb_00005fuc

Biophysical and cellular characterisation of a junctional epitope antibody that locks IL-6 and gp80 together in a stable complex: implications for new therapeutic strategies


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B Superfamily4-helical cytokines 8037068 3001717 SCOP2B (2022-06-29)
ASCOP2B Superfamily4-helical cytokines 8037068 3001717 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyFibronectin type III 8055539 3002063 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyFibronectin type III 8055153 3002063 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyFibronectin type III 8055153 3002063 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyFibronectin type III 8055539 3002063 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BFlav_NS3-hel_Ce5fucB1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)
AFlav_NS3-hel_Ce5fucA1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)
DFlav_NS3-hel_Ce5fucD1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)
CFlav_NS3-hel_Ce5fucC1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)
F [auth V]Flav_NS3-hel_Ce5fucV1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)
EFlav_NS3-hel_Ce5fucE1 A: alpha bundlesX: SH3H: SH3T: SH3F: Flav_NS3-hel_CECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
A1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
F [auth V]2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

ChainProtein NameDescriptionOrganism NameGene Allele Name(s)Domain Name(s)Receptor TypeReceptor DescriptionProvenance Source
A, B
Interleukin-6 FGF19 Homo sapiens (human) IL6*01 R-LIKE-DOMAIN IL6 (Pr29-212) RPI IL6 IMGT (202610-0)
C, D
Interleukin-6 receptor subunit alpha 2F-DOMAIN Homo sapiens (human) IL6R F-LIKE-DOMAIN F-DOMAIN RPI 2F-DOMAIN IMGT (202610-0)
E,
F [auth V]
VHH 6 VH Camelus dromedarius (Arabian camel) IGHV3S45*01, IGHJ4*03 V-DOMAIN VH IG VH IMGT (202610-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
E,
F [auth V]
Heavy ChainIGHV1 -interleukin-6 receptor subunit alpha, interleukin-6receptor | interleukin-6SAbDab (2026-03-20)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00489Interleukin-6/G-CSF/MGF family (IL6)Interleukin-6/G-CSF/MGF familyDomain
C, D
PF09240Interleukin-6 receptor alpha chain, binding (IL6Ra-bind)Interleukin-6 receptor alpha chain, bindingMembers of this family adopt a structure consisting of an immunoglobulin-like beta-sandwich, with seven strands in two beta-sheets, in a Greek-key topology. They are required for binding to the cytokine Interleukin-6 [1]. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
INTERLEUKIN-6
C, D
INTERLEUKIN-6 RECEPTOR SUBUNIT ALPHA, INTERLEUKIN-6 RECEPTOR
E,
F [auth V]
VHH6---

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A, B
PharosP05231
C, D
PharosP08887