2NP7
Crystal structure of the adenine-specific DNA methyltransferase M.TaqI complexed with the cofactor analog AETA and a 10 bp DNA containing an abasic site analog at the target position and pyrrolo-dC at the target base partner position
Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage
Chains | Domain Info | Class | Fold | Superfamily | Family | Domain | Species | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
C [auth A] | d2np7a1 | Alpha and beta proteins (a/b) | S-adenosyl-L-methionine-dependent methyltransferases | S-adenosyl-L-methionine-dependent methyltransferases | DNA methylase TaqI, N-terminal domain | DNA methylase TaqI, N-terminal domain | (Thermus aquaticus ) [TaxId: 271 ], | SCOPe (2.08) |
C [auth A] | d2np7a2 | Alpha and beta proteins (a+b) | DNA methylase specificity domain | DNA methylase specificity domain | TaqI C-terminal domain-like | DNA methylase TaqI, C-terminal domain | (Thermus aquaticus ) [TaxId: 271 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
---|---|---|---|---|---|
C [auth A] | SCOP2B Superfamily | S-adenosyl-L-methionine-dependent methyltransferases | 8034512 | 3000118 | SCOP2B (2022-06-29) |
C [auth A] | SCOP2B Superfamily | DNA methylase specificity domain | 8034513 | 3001742 | SCOP2B (2022-06-29) |
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
C [auth A] | PF12950 | e2np7A1 | A: a+b complex topology | X: DNA methylase specificity domain (From Topology) | H: DNA methylase specificity domain (From Topology) | T: DNA methylase specificity domain | F: PF12950 | ECOD (1.6) |
C [auth A] | PF07669 | e2np7A2 | A: a/b three-layered sandwiches | X: Rossmann-like | H: Rossmann-related | T: S-adenosyl-L-methionine-dependent methyltransferases | F: PF07669 | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
C [auth A] | 3.40.50.150 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | Vaccinia Virus protein VP39 | CATH (4.3.0) |
C [auth A] | 3.90.220.10 | Alpha Beta | Alpha-Beta Complex | Adenine-n6-DNA-methyltransferase TaqI | Chain A, domain 2 | CATH (4.3.0) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
C [auth A] | PF12950 | TaqI-like C-terminal specificity domain (TaqI_C) | TaqI-like C-terminal specificity domain | This domain is found at the C-terminus of the TaqI protein and is involved in DNA-binding and substrate recognition. | Domain |
C [auth A] | PF07669 | Eco57I restriction-modification methylase (Eco57I) | Eco57I restriction-modification methylase | Homologues of the Escherichia coli Eco57I restriction-modification methylase are found in several phylogenetically diverse bacteria. The structure of TaqI has been solved [1]. | Domain |