Structure of PDB 2okc Chain B

Receptor sequence
>2okcB (length=426) Species: 226186 (Bacteroides thetaiotaomicron VPI-5482) [Search protein sequence]
TEQSLTKKVWNLATTLAGQGIGFTDYITQLTYLLFLKMDAENVEMFGEES
AIPTGYQWADLIAFDGLDLVKQYEETLKLLSELDNLIGTIYTKAQNKIDK
PVYLKKVITMIDEEQWLIMDGDVKGAIYESILEKNGQDKKSGAGQYFTPR
PLIQAMVDCINPQMGETVCDPACGTGGFLLTAYDYMKGQSASKEKRDFLR
DKALHGVDNTPLVVTLASMNLYLHGIGTDRSPIVCEDSLEKEPSTLVDVI
LANPPFGTRPAGSVDINRPDFYVETKNNQLNFLQHMMLMLKTGGRAAVVL
PDNVLFEAGAGETIRKRLLQDFNLHTILRLPTGIFYAQGVKANVLFFSKG
QPTKEIWFYDYRTDIKHTLATNKLERHHLDDFVSCYNNRVEIYDAENNPQ
GRWRKYPVDEIIARDKTSLDITWIKP
3D structure
PDB2okc Crystal structure of Type I restriction enzyme StySJI M protein (NP_813429.1) from Bacteroides thetaiotaomicron VPI-5482 at 2.20 A resolution
ChainB
Resolution2.2 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 SAM B Q151 Y152 F153 T154 R156 A178 T181 G183 F184 D214 N215 D243 S244 N259 P261 F288 Q145 Y146 F147 T148 R150 A172 T175 G177 F178 D208 N209 D237 S238 N253 P255 F282
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0008168 methyltransferase activity
GO:0008170 N-methyltransferase activity
GO:0009007 site-specific DNA-methyltransferase (adenine-specific) 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:2okc, PDBe:2okc, PDBj:2okc
PDBsum2okc
PubMed
UniProtQ89Z59|T1M_BACTN Type I restriction enzyme BthVORF4518P methylase subunit (Gene Name=hsdM)

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