Structure of PDB 1x1a Chain A

Receptor sequence
>1x1aA (length=337) Species: 194439 (Chlorobaculum tepidum TLS) [Search protein sequence]
SNNDLLNYYHRANELVFKGLIEFSCMKAAIELDLFSHMAEGPKDLATLAA
DTGSVPPRLEMLLETLRQMRVINLEDGKWSLTEFADYMFSPTPKEPNLHQ
TPVAKAMAFLADDFYMGLSQAVRGQKNFKGQVPYPPVTREDNLYFEEIHR
SNAKFAIQLLLEEAKLDGVKKMIDVGGGIGDISAAMLKHFPELDSTILNL
PGAIDLVNENAAEKGVADRMRGIAVDIYKESYPEADAVLFCRILYSANEQ
LSTIMCKKAFDAMRSGGRLLILDMVIDDPENPNFDYLSHYILGAGMPFSV
LGFKEQARYKEILESLGYKDVTMVRKYDHLLVQAVKP
3D structure
PDB1x1a Crystal Structures of BchU, a Methyltransferase Involved in Bacteriochlorophyll c Biosynthesis, and its Complex with S-adenosylhomocysteine: Implications for Reaction Mechanism.
ChainA
Resolution2.6 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.1.1.333: bacteriochlorophyllide d C-20 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 A E147 H150 G177 N200 L201 D227 I228 C242 R243 E146 H149 G176 N199 L200 D226 I227 C241 R242
Gene Ontology
Molecular Function
GO:0008168 methyltransferase activity
GO:0008171 O-methyltransferase activity
GO:0046872 metal ion binding
Biological Process
GO:0030494 bacteriochlorophyll biosynthetic process
GO:0032259 methylation
GO:0036069 light-dependent bacteriochlorophyll biosynthetic process
GO:0036070 light-independent bacteriochlorophyll biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1x1a, PDBe:1x1a, PDBj:1x1a
PDBsum1x1a
PubMed16797589
UniProtQ8KGE0|BCHU_CHLTE Bacteriochlorophyllide d C-20 methyltransferase (Gene Name=bchU)

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