Structure of PDB 2hmy Chain B

Receptor sequence
>2hmyB (length=327) Species: 726 (Haemophilus haemolyticus) [Search protein sequence]
MIEIKDKQLTGLRFIDLFAGLGGFRLALESCGAECVYSNEWDKYAQEVYE
MNFGEKPEGDITQVNEKTIPDHDILCAGFPCQAFSISGKQKGFEDSRGTL
FFDIARIVREKKPKVVFMENVKNFASHDNGNTLEVVKNTMNELDYSFHAK
VLNALDYGIPQKRERIYMICFRNDLNIQNFQFPKPFELNTFVKDLLLPDS
EVEHLVIDRKDLVMTNQEIEQTTPKTVRLGIVGKGGQGERIYSTRGIAIT
LSAYGGGIFAKTGGYLVNGKTRKLHPRECARVMGYPDSYKVHPSTSQAYK
QFGNSVVINVLQYIAYNIGSSLNFKPY
3D structure
PDB2hmy Structure of a binary complex of HhaI methyltransferase with S-adenosyl-L-methionine formed in the presence of a short non-specific DNA oligonucleotide.
ChainB
Resolution2.61 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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.
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 F18 A19 G20 L21 E40 W41 G78 S305 V306 F18 A19 G20 L21 E40 W41 G78 S305 V306
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

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:2hmy, PDBe:2hmy, PDBj:2hmy
PDBsum2hmy
PubMed10080885
UniProtP05102|MTH1_HAEPH Type II methyltransferase M.HhaI (Gene Name=hhaIM)

[Back to BioLiP]