Structure of PDB 4qdk Chain A

Receptor sequence
>4qdkA (length=219) Species: 1111708 (Synechocystis sp. PCC 6803 substr. Kazusa) [Search protein sequence]
DDKTIVRDYFNSTGFDRWRRIYGDGQVNFVQKDIRVGHQQTVDSVVAWLV
ADGNLPGLLVCDAGCGVGSLSIPLAQAGALVYGSDISEKMVGEAQQKAQE
VLAYGNQPTFMTQDLAQLGGKYDTVICLDVLIHYPTEEASAMISHLASLA
DRRLILSFAPKTLGLTVLKKIGGLFPGRAYQHKEADIRKILGDNGFSIAR
TGMTSTRFYYSRILEAVRS
3D structure
PDB4qdk Structural insights into the catalytic mechanism of Synechocystis magnesium protoporphyrin IX O-methyltransferase (ChlM).
ChainA
Resolution1.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.1.1.11: magnesium protoporphyrin IX 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 SAH A F16 Y28 H44 G70 C71 G72 D91 I92 D120 L121 L134 Y140 F10 Y22 H38 G64 C65 G66 D85 I86 D114 L115 L128 Y134 PDBbind-CN: -logKd/Ki=5.85,Kd=1.4uM
Gene Ontology
Molecular Function
GO:0008168 methyltransferase activity
GO:0046406 magnesium protoporphyrin IX methyltransferase activity
Biological Process
GO:0015979 photosynthesis
GO:0015995 chlorophyll biosynthetic process
GO:0032259 methylation
GO:0036068 light-independent chlorophyll biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:4qdk, PDBe:4qdk, PDBj:4qdk
PDBsum4qdk
PubMed25077963
UniProtQ55467|CHLM_SYNY3 Magnesium-protoporphyrin O-methyltransferase (Gene Name=chlM)

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