Structure of PDB 1q0t Chain A

Receptor sequence
>1q0tA (length=241) Species: 10665 (Tequatrovirus T4) [Search protein sequence]
MLGAIAYTGNKQSLLPELKSHFPKYNRFVDLFCGGLSVSLNVNGPVLAND
IQEPIIEMYKRLINVSWDDVLKVIKQYKLSKTSKEEFLKLREDYNKTRDP
LLLYVLHFHGFSNMIRINDKGNFTTPFGKRTINKNSEKQYNHFKQNCDKI
IFSSLHFKDVKILDGDFVYVDPPYLITVADYNKFWSEDEEKDLLNLLDSL
NDRGIKFGQSNVLEHHGKENTLLKEWSKKYNVKHLEVYIFN
3D structure
PDB1q0t Structure of the bacteriophage T4 DNA adenine methyltransferase
ChainA
Resolution3.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.1.1.72: site-specific DNA-methyltransferase (adenine-specific).
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 dna A R130 N133 K134 N135 R130 N133 K134 N135
BS02 SAH A Y7 F32 C33 G34 G35 D50 I51 Q52 F157 D171 P173 Y181 F184 W185 Y7 F32 C33 G34 G35 D50 I51 Q52 F157 D171 P173 Y181 F184 W185
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0008168 methyltransferase activity
GO:0009007 site-specific DNA-methyltransferase (adenine-specific) activity
GO:0009008 DNA-methyltransferase activity
GO:0043565 sequence-specific DNA binding
GO:1904047 S-adenosyl-L-methionine binding
Biological Process
GO:0006260 DNA replication
GO:0006298 mismatch repair
GO:0009307 DNA restriction-modification system
GO:0019049 virus-mediated perturbation of host defense response
GO:0032259 methylation
GO:0052170 symbiont-mediated suppression of host innate immune response
GO:0099018 symbiont-mediated evasion of host restriction-modification system

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Molecular Function
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Biological Process
External links
PDB RCSB:1q0t, PDBe:1q0t, PDBj:1q0t
PDBsum1q0t
PubMed12937411
UniProtP04392|DMA_BPT4 DNA adenine methylase (Gene Name=DAM)

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