Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
ISCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyFibronectin type III 8055537 3002063 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyFibronectin type III 8055151 3002063 SCOP2B (2022-06-29)
KSCOP2B SuperfamilyImmunoglobulin (Ig) domain-like 8054841 3000071 SCOP2B (2022-06-29)
BSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)
DSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)
FSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)
HSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)
JSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)
LSCOP2B Superfamily4-helical cytokines 8092382 3001717 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AIL12p40_Ce5njdA2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
AIg_5e5njdA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Afn3_6e5njdA3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
CIL12p40_Ce5njdC1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
CIg_5e5njdC2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Cfn3_6e5njdC3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
EIL12p40_Ce5njdE1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
EIg_5e5njdE3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Efn3_6e5njdE2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
GIL12p40_Ce5njdG2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
GIg_5e5njdG1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Gfn3_6e5njdG3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
IIL12p40_Ce5njdI1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
IIg_5e5njdI2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Ifn3_6e5njdI3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
KIL12p40_Ce5njdK2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: IL12p40_CECOD (1.6)
KIg_5e5njdK3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: Ig_5ECOD (1.6)
Kfn3_6e5njdK1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: fn3_6ECOD (1.6)
BIL6e5njdB1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
DIL6e5njdD1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
FIL6e5njdF1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
HIL6e5njdH1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
JIL6e5njdJ1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
LIL6e5njdL1 A: alpha bundlesX: Ferritin/Heme oxygenase/4-helical cytokinesH: 4-helical cytokines (From Topology)T: 4-helical cytokinesF: IL6ECOD (1.6)
MC1-sete5njdM2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
MV-set_3e5njdM1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
OC1-sete5njdO2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
OV-set_3e5njdO1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
QC1-sete5njdQ1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
QV-set_3e5njdQ2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
SC1-sete5njdS1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
SV-set_3e5njdS2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
UC1-sete5njdU2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
UV-set_3e5njdU1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
WC1-sete5njdW2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-setECOD (1.6)
WV-set_3e5njdW1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_3ECOD (1.6)
NV-set_8e5njdN2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
NC1-set_1e5njdN1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
PV-set_8e5njdP2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
PC1-set_1e5njdP1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
RV-set_8e5njdR2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
RC1-set_1e5njdR1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
TV-set_8e5njdT2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
TC1-set_1e5njdT1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
VV-set_8e5njdV1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
VC1-set_1e5njdV2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)
XV-set_8e5njdX2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: V-set_8ECOD (1.6)
XC1-set_1e5njdX1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: C1-set_1ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
G2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
I2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
K2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
B1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
D1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
F1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
H1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
J1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
L1.20.1250.10 Mainly Alpha Up-down Bundle Growth Hormone Chain: ACATH (4.3.0)
M2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
O2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
Q2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
S2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
U2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
W2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
N2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
P2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
R2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
T2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
V2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
X2.60.40.10 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
M, O, Q, S, U
Fab Briakinumab L-LAMBDA Homo sapiens (human) IGLV1-40*01, IGLJ1*01, IGLC2*01, IGLC2*02, IGLC3*04 V-DOMAIN V-LAMBDA, C-DOMAIN C-LAMBDA IG FAB-GAMMA-1_LAMBDA IMGT (202507-0)
N, P, R, T, V
Fab Briakinumab VH-CH1 Homo sapiens (human) IGHV3-30*02, IGHV3-30-5*02, IGHJ3*01, IGHJ3*02, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05 V-DOMAIN VH, C-DOMAIN CH1 IG FAB-GAMMA-1_LAMBDA IMGT (202507-0)

SAbDab Antibody Annotation SAbDab Database Homepage

ChainChain ClassChain SubclassChain TypeAntigen Name(s) Provenance Source
M, O, Q, S, U
Light ChainIGLV1 Lambdainterleukin-12 subunit beta, interleukin-12 subunit beta | interleukin-23 subunit alphaSAbDab (2025-02-28)
N, P, R, T, V
Heavy ChainIGHV3 -interleukin-12 subunit beta, interleukin-12 subunit beta | interleukin-23 subunit alphaSAbDab (2025-02-28)

Thera-SAbDab Antibody Annotation Thera-SAbDab Database Homepage

ChainNameTargetProvenance Source
M, O, Q, S, U
Briakinumab IL12B/CLMFp40Therapeutic SAbDab (2025-02-28)
N, P, R, T, V
Briakinumab IL12B/CLMFp40Therapeutic SAbDab (2025-02-28)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, C, E, G, I
PF10420Cytokine interleukin-12p40 C-terminus (IL12p40_C)Cytokine interleukin-12p40 C-terminusIL12p40_C is the largely beta stranded C-terminal, D3, domain of interleukin-12p40 or interleukin-12B. This interleukin is produced on stimulation by macrophage-engulfed micro-organisms and other stimuli, when it dimerises with interleukin-12p35 to f ...Domain
B, D, F, H, J
PF16649Interleukin 23 subunit alpha (IL23)Interleukin 23 subunit alphaThis family, interleukin 23 subunit alpha, is a heterodimer consisting of a 40 kDa subunit - p40 - that is shared with IL12 and a unique 19 kDa subunit - p19. IL23 is a pro-inflammatory cytokine that binds to adnectins and thus plays a key role in th ...Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, C, E, G, I
Interleukin-12 subunit beta
B, D, F, H, J
Interleukin-23 subunit alpha
M, O, Q, S, U
Briakinumab FAb Light chain---
N, P, R, T, V
Briakinumab FAb Heavy chain---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, C, E, G, I
IPR036179Immunoglobulin-like domain superfamilyHomologous Superfamily
A, C, E, G, I
IPR003530Long hematopoietin receptor, soluble alpha chain, conserved siteConserved Site
A, C, E, G, I
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, C, E, G, I
IPR007110Immunoglobulin-like domainDomain
A, C, E, G, I
IPR003598Immunoglobulin subtype 2Domain
A, C, E, G, I
IPR050676Interleukin-12Family
A, C, E, G, I
IPR019482Interleukin-12 beta, central domainDomain
A, C, E, G, I
IPR015528Interleukin-12 betaFamily
A, C, E, G, I
IPR003961Fibronectin type IIIDomain
A, C, E, G, I
IPR036116Fibronectin type III superfamilyHomologous Superfamily
B, D, F, H, J
IPR009079Four-helical cytokine-like, coreHomologous Superfamily
B, D, F, H, J
IPR010831Interleukin-23 alphaFamily