Structure of PDB 6mht Chain A Binding Site BS02

Receptor Information
>6mht Chain A (length=327) Species: 726 (Haemophilus haemolyticus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MIEIKDKQLTGLRFIDLFAGLGGFRLALESCGAECVYSNEWDKYAQEVYE
MNFGEKPEGDITQVNEKTIPDHDILCAGFPCQAFSISGKQKGFEDSRGTL
FFDIARIVREKKPKVVFMENVKNFASHDNGNTLEVVKNTMNELDYSFHAK
VLNALDYGIPQKRERIYMICFRNDLNIQNFQFPKPFELNTFVKDLLLPDS
EVEHLVIDRKDLVMTNQEIEQTTPKTVRLGIVGKGGQGERIYSTRGIAIT
LSAYGGGIFAKTGGYLVNGKTRKLHPRECARVMGYPDSYKVHPSTSQAYK
QFGNSVVINVLQYIAYNIGSSLNFKPY
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6mht DNA containing 4'-thio-2'-deoxycytidine inhibits methylation by HhaI methyltransferase.
Resolution2.05 Å
Binding residue
(original residue number in PDB)
F79 C81 S85 S87 K89 R97 E119 V121 R165 R228 Q237 R240 Y242 T250 A253 Y254 G303 N304
Binding residue
(residue number reindexed from 1)
F79 C81 S85 S87 K89 R97 E119 V121 R165 R228 Q237 R240 Y242 T250 A253 Y254 G303 N304
Binding affinityPDBbind-CN: Kd=21nM
Enzymatic activity
Catalytic site (original residue number in PDB) C81 E119 R163 R165
Catalytic site (residue number reindexed from 1) C81 E119 R163 R165
Enzyme Commision number 2.1.1.37: DNA (cytosine-5-)-methyltransferase.
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003886 DNA (cytosine-5-)-methyltransferase activity
GO:0008168 methyltransferase activity
Biological Process
GO:0009307 DNA restriction-modification system
GO:0032259 methylation

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Molecular Function

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Biological Process
External links
PDB RCSB:6mht, PDBe:6mht, PDBj:6mht
PDBsum6mht
PubMed9207024
UniProtP05102|MTH1_HAEPH Type II methyltransferase M.HhaI (Gene Name=hhaIM)

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