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1AQJ

STRUCTURE OF ADENINE-N6-DNA-METHYLTRANSFERASE TAQI

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0003677molecular_functionDNA binding
A0006304biological_processDNA modification
A0008168molecular_functionmethyltransferase activity
A0009007molecular_functionsite-specific DNA-methyltransferase (adenine-specific) activity
A0009307biological_processDNA restriction-modification system
A0032259biological_processmethylation
B0003676molecular_functionnucleic acid binding
B0003677molecular_functionDNA binding
B0006304biological_processDNA modification
B0008168molecular_functionmethyltransferase activity
B0009007molecular_functionsite-specific DNA-methyltransferase (adenine-specific) activity
B0009307biological_processDNA restriction-modification system
B0032259biological_processmethylation
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SFG A 500
ChainResidue
AVAL21
ATYR108
APHE146
AALA47
AGLU71
AILE72
AASP89
APHE90
AASN105
APRO106
APRO107

site_idAC2
Number of Residues11
DetailsBINDING SITE FOR RESIDUE SFG B 500
ChainResidue
BVAL21
BALA47
BGLU71
BILE72
BASP89
BPHE90
BASN105
BPRO106
BPRO107
BTYR108
BPHE146

Functional Information from PROSITE/UniProt
site_idPS00092
Number of Residues7
DetailsN6_MTASE N-6 Adenine-specific DNA methylases signature. ILGNPPY
ChainResidueDetails
AILE102-TYR108

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues10
DetailsBINDING: BINDING => ECO:0007744|PDB:2ADM
ChainResidueDetails
ATHR23
BASP89
BPRO107
AGLU45
AGLU71
AASP89
APRO107
BTHR23
BGLU45
BGLU71

site_idSWS_FT_FI2
Number of Residues4
DetailsSITE: Important for catalytic activity => ECO:0007744|PDB:2ADM
ChainResidueDetails
AASN105
ATYR108
BASN105
BTYR108

site_idSWS_FT_FI3
Number of Residues2
DetailsSITE: Important for catalytic activity; via amide nitrogen => ECO:0007744|PDB:2ADM
ChainResidueDetails
APRO106
BPRO106

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 46
ChainResidueDetails
AASN105activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
APRO106activator, electrostatic stabiliser, hydrogen bond acceptor
ATYR108electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
APHE196steric role

site_idMCSA2
Number of Residues4
DetailsM-CSA 46
ChainResidueDetails
BASN105activator, electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
BPRO106activator, electrostatic stabiliser, hydrogen bond acceptor
BTYR108electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor
BPHE196steric role

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PDB entries from 2024-06-12

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