Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad1kywa1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Plant O-methyltransferase, N-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)
Ad1kywa2 Alpha and beta proteins (a/b) S-adenosyl-L-methionine-dependent methyltransferases S-adenosyl-L-methionine-dependent methyltransferases Plant O-methyltransferase, C-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)
B [auth C]d1kywc1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Plant O-methyltransferase, N-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)
B [auth C]d1kywc2 Alpha and beta proteins (a/b) S-adenosyl-L-methionine-dependent methyltransferases S-adenosyl-L-methionine-dependent methyltransferases Plant O-methyltransferase, C-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)
C [auth F]d1kywf1 All alpha proteins DNA/RNA-binding 3-helical bundle 'Winged helix' DNA-binding domain Plant O-methyltransferase, N-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)
C [auth F]d1kywf2 Alpha and beta proteins (a/b) S-adenosyl-L-methionine-dependent methyltransferases S-adenosyl-L-methionine-dependent methyltransferases Plant O-methyltransferase, C-terminal domain Caffeic acid/5-hydroxyferulic acid 3/5-O-methyltransferase (Medicago sativa ) [TaxId: 3879 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyWinged helix DNA-binding domain 8054287 3000034 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8054286 3000118 SCOP2B (2022-06-29)
B [auth C]SCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8054286 3000118 SCOP2B (2022-06-29)
B [auth C]SCOP2B SuperfamilyWinged helix DNA-binding domain 8054287 3000034 SCOP2B (2022-06-29)
C [auth F]SCOP2B SuperfamilyWinged helix DNA-binding domain 8054287 3000034 SCOP2B (2022-06-29)
C [auth F]SCOP2B SuperfamilyS-adenosyl-L-methionine-dependent methyltransferases 8054286 3000118 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ADimerisatione1kywA1 A: alpha arraysX: HTHH: HTHT: wingedF: DimerisationECOD (1.6)
AMethyltransf_11_2e1kywA2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Methyltransf_11_2ECOD (1.6)
B [auth C]Dimerisatione1kywC1 A: alpha arraysX: HTHH: HTHT: wingedF: DimerisationECOD (1.6)
B [auth C]Methyltransf_11_2e1kywC2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Methyltransf_11_2ECOD (1.6)
C [auth F]Dimerisatione1kywF1 A: alpha arraysX: HTHH: HTHT: wingedF: DimerisationECOD (1.6)
C [auth F]Methyltransf_11_2e1kywF2 A: a/b three-layered sandwichesX: Rossmann-likeH: Rossmann-relatedT: S-adenosyl-L-methionine-dependent methyltransferasesF: Methyltransf_11_2ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A,
B [auth C],
C [auth F]
PF08100Dimerisation domain (Dimerisation)Dimerisation domainThis domain is found at the N-terminus of a variety of plant O-methyltransferases. It has been shown to mediate dimerisation of these proteins [1].Domain
A,
B [auth C],
C [auth F]
PF00891O-methyltransferase domain (Methyltransf_2)O-methyltransferase domainThis family includes a range of O-methyltransferases. These enzymes utilise S-adenosyl methionine.Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
caffeate O-methyltransferase  M-CSA #621

COMT is involved in lignin biosynthesis - it methylates caffeoyl- and 5-hydroxyferuloyl-containing acids, aldehydes and alcohols. Lignin polymerisation has implications in industrial, environmental and agricultural areas.

Defined by 4 residues: HIS:A-269ASP:A-270GLU:A-297GLU:A-329
 | 
 
Explore in 3DM-CSA Motif Definition