Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BA2M_Ce2a74B3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_CECOD (1.6)
BA2M_Ne2a74B2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_NECOD (1.6)
EA2M_Ce2a74E3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_CECOD (1.6)
EA2M_Ne2a74E2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_NECOD (1.6)
CNTRe2a74C1 A: beta barrelsX: OB-foldH: TIMP-like (From Topology)T: TIMP-likeF: NTRECOD (1.6)
CA2M_recepe2a74C2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Common fold of diphtheria toxin/transcription factors/cytochrome fF: A2M_recepECOD (1.6)
FNTRe2a74F3 A: beta barrelsX: OB-foldH: TIMP-like (From Topology)T: TIMP-likeF: NTRECOD (1.6)
FA2M_recepe2a74F4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Common fold of diphtheria toxin/transcription factors/cytochrome fF: A2M_recepECOD (1.6)
AA2M_N_1e2a74A2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_N_1ECOD (1.6)
AKOG1366_2nd_1e2a74A5 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: KOG1366_2nd_1ECOD (1.6)
AMG4e2a74A4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: MG4ECOD (1.6)
AKOG1366_1ste2a74A6 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: KOG1366_1stECOD (1.6)
AANATOe2a74A1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: ANATOECOD (1.6)
AA2M_N_2e2a74A3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_N_2ECOD (1.6)
DA2M_N_1e2a74D1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_N_1ECOD (1.6)
DKOG1366_2nd_1e2a74D4 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: KOG1366_2nd_1ECOD (1.6)
DMG4e2a74D3 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: MG4ECOD (1.6)
DKOG1366_1ste2a74D2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: KOG1366_1stECOD (1.6)
DANATOe2a74D5 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: ANATOECOD (1.6)
DA2M_N_2e2a74D6 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: A2M_N_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.20.130.20 Mainly Beta Single Sheet S-adenosyl-L-methionine-dependent methyltransferases CATH (4.3.0)
B2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
E2.20.130.20 Mainly Beta Single Sheet S-adenosyl-L-methionine-dependent methyltransferases CATH (4.3.0)
E2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
C2.60.40.690 Mainly Beta Sandwich Immunoglobulin-like Alpha-macroglobulin, receptor-binding domainCATH (4.3.0)
C2.40.50.120 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)
F2.60.40.690 Mainly Beta Sandwich Immunoglobulin-like Alpha-macroglobulin, receptor-binding domainCATH (4.3.0)
F2.40.50.120 Mainly Beta Beta Barrel OB fold (Dihydrolipoamide Acetyltransferase, E2P) CATH (4.3.0)
A2.60.40.1930 Mainly Beta Sandwich Immunoglobulin-like Macroglobulin (MG2) domainCATH (4.3.0)
A2.60.40.1940 Mainly Beta Sandwich Immunoglobulin-like CATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
A6.20.50.160 Special Other non-globular N-terminal domain of TfIIb CATH (4.3.0)
D2.60.40.1930 Mainly Beta Sandwich Immunoglobulin-like Macroglobulin (MG2) domainCATH (4.3.0)
D2.60.40.1940 Mainly Beta Sandwich Immunoglobulin-like CATH (4.3.0)
D2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)
D6.20.50.160 Special Other non-globular N-terminal domain of TfIIb CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B, E
PF00207Alpha-2-macroglobulin family (A2M)Alpha-2-macroglobulin family- Family
C, F
PF01759UNC-6/NTR/C345C module (NTR)UNC-6/NTR/C345C moduleSequence similarity between netrin UNC-6 and C345C complement protein family members, and hence the existence of the UNC-6 module, was first reported in [1]. Subsequently, many additional members of the family were identified on the basis of sequence ...Domain
C, F
PF07677A-macroglobulin receptor binding domain (A2M_recep)A-macroglobulin receptor binding domainThis family includes the receptor binding domain region of the alpha-2-macroglobulin family. Domain
A, D
PF17790Macroglobulin domain MG1 (MG1)Macroglobulin domain MG1This entry represents the N-terminal macroglobulin domain found in complement proteins C3, C4 and C5. Domain
A, D
PF17791Macroglobulin domain MG3 (MG3)Macroglobulin domain MG3This entry corresponds to the MG3 domain found in complement components C3, C4 and C5. Domain
A, D
PF01835MG2 domain (MG2)MG2 domainThis is the MG2 (macroglobulin) domain of alpha-2-macroglobulin in eukaryotes [1]. Alpha-2-macroglobulins (A2Ms) are plasma proteins that trap and inhibit a broad range of proteases and are major components of the eukaryotic innate immune system. How ...Domain
A, D
PF07703Alpha-2-macroglobulin bait region domain (A2M_BRD)Alpha-2-macroglobulin bait region domainAlpha-2-macroglobulins (A2Ms) are plasma proteins that trap and inhibit a broad range of proteases and are major components of the eukaryotic innate immune system. However, A2M-like proteins were identified in pathogenically invasive bacteria and spe ...Domain
A, D
PF17789Macroglobulin domain MG4 (MG4)Macroglobulin domain MG4This domain is MG4 found in complement C3 and C5 proteins. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B, E
Complement Component C3c
C, F
Complement Component C3c
A, D
Complement Component C3c

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B, E
IPR019742Alpha-2-macroglobulin, conserved siteConserved Site
B, E
IPR009048Alpha-macroglobulin, receptor-bindingDomain
B, E
IPR049466Complement component 3, CUB domain, first segmentDomain
B, E
IPR001599Alpha-2-macroglobulinDomain
B, E
IPR001134Netrin domainDomain
B, E
IPR011626Alpha-macroglobulin-like, TED domainDomain
B, E
IPR002890Macroglobulin domainDomain
B, E
IPR013783Immunoglobulin-like foldHomologous Superfamily
B, E
IPR008930Terpenoid cyclases/protein prenyltransferase alpha-alpha toroidHomologous Superfamily
B, E
IPR041555Macroglobulin domain MG3Domain
B, E
IPR047565Alpha-macroglobulin-like, thiol-ester bond-forming regionConserved Site
B, E
IPR048848Complement component 3, CUB domain, second segmentDomain
B, E
IPR018081Anaphylatoxin, complement systemHomologous Superfamily
B, E
IPR035815Complement C3-like, NTR domainDomain
B, E
IPR018933Netrin module, non-TIMP typeDomain
B, E
IPR001840Anaphylatoxin, complement system domainDomain
B, E
IPR041425Complement C3/4/5, macroglobulin domain MG1Domain
B, E
IPR011625Alpha-2-macroglobulin, bait region domainDomain
B, E
IPR008993Tissue inhibitor of metalloproteinases-like, OB-foldHomologous Superfamily
B, E
IPR000020Anaphylatoxin/fibulinDomain
B, E
IPR036595Alpha-macroglobulin, receptor-binding domain superfamilyHomologous Superfamily
B, E
IPR050473Alpha-2-macroglobulin/Complement systemFamily
B, E
IPR040839Macroglobulin domain MG4Domain
C, F
IPR019742Alpha-2-macroglobulin, conserved siteConserved Site
C, F
IPR009048Alpha-macroglobulin, receptor-bindingDomain
C, F
IPR049466Complement component 3, CUB domain, first segmentDomain
C, F
IPR001599Alpha-2-macroglobulinDomain
C, F
IPR001134Netrin domainDomain
C, F
IPR011626Alpha-macroglobulin-like, TED domainDomain
C, F
IPR002890Macroglobulin domainDomain
C, F
IPR013783Immunoglobulin-like foldHomologous Superfamily
C, F
IPR008930Terpenoid cyclases/protein prenyltransferase alpha-alpha toroidHomologous Superfamily
C, F
IPR041555Macroglobulin domain MG3Domain
C, F
IPR047565Alpha-macroglobulin-like, thiol-ester bond-forming regionConserved Site
C, F
IPR048848Complement component 3, CUB domain, second segmentDomain
C, F
IPR018081Anaphylatoxin, complement systemHomologous Superfamily
C, F
IPR035815Complement C3-like, NTR domainDomain
C, F
IPR018933Netrin module, non-TIMP typeDomain
C, F
IPR001840Anaphylatoxin, complement system domainDomain
C, F
IPR041425Complement C3/4/5, macroglobulin domain MG1Domain
C, F
IPR011625Alpha-2-macroglobulin, bait region domainDomain
C, F
IPR008993Tissue inhibitor of metalloproteinases-like, OB-foldHomologous Superfamily
C, F
IPR000020Anaphylatoxin/fibulinDomain
C, F
IPR036595Alpha-macroglobulin, receptor-binding domain superfamilyHomologous Superfamily
C, F
IPR050473Alpha-2-macroglobulin/Complement systemFamily
C, F
IPR040839Macroglobulin domain MG4Domain
A, D
IPR019742Alpha-2-macroglobulin, conserved siteConserved Site
A, D
IPR009048Alpha-macroglobulin, receptor-bindingDomain
A, D
IPR049466Complement component 3, CUB domain, first segmentDomain
A, D
IPR001599Alpha-2-macroglobulinDomain
A, D
IPR001134Netrin domainDomain
A, D
IPR011626Alpha-macroglobulin-like, TED domainDomain
A, D
IPR002890Macroglobulin domainDomain
A, D
IPR013783Immunoglobulin-like foldHomologous Superfamily
A, D
IPR008930Terpenoid cyclases/protein prenyltransferase alpha-alpha toroidHomologous Superfamily
A, D
IPR041555Macroglobulin domain MG3Domain
A, D
IPR047565Alpha-macroglobulin-like, thiol-ester bond-forming regionConserved Site
A, D
IPR048848Complement component 3, CUB domain, second segmentDomain
A, D
IPR018081Anaphylatoxin, complement systemHomologous Superfamily
A, D
IPR035815Complement C3-like, NTR domainDomain
A, D
IPR018933Netrin module, non-TIMP typeDomain
A, D
IPR001840Anaphylatoxin, complement system domainDomain
A, D
IPR041425Complement C3/4/5, macroglobulin domain MG1Domain
A, D
IPR011625Alpha-2-macroglobulin, bait region domainDomain
A, D
IPR008993Tissue inhibitor of metalloproteinases-like, OB-foldHomologous Superfamily
A, D
IPR000020Anaphylatoxin/fibulinDomain
A, D
IPR036595Alpha-macroglobulin, receptor-binding domain superfamilyHomologous Superfamily
A, D
IPR050473Alpha-2-macroglobulin/Complement systemFamily
A, D
IPR040839Macroglobulin domain MG4Domain

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
B, E
PharosP01024
C, F
PharosP01024
A, D
PharosP01024