Structure of PDB 8osg Chain A

Receptor sequence
>8osgA (length=283) Species: 103690 (Nostoc sp. PCC 7120 = FACHB-418) [Search protein sequence]
VVFPFTAIVGQEEMKLALLLNVIDPKIGGVMIMGDRGTGKSTTIRALADL
LPSDPFKKVQMVDLPLGATEDRVCGTIFEPGLLAKANRGILYVDEVNLLD
DHLVDVLLDSAASGWHPARFVLVGSGNPEEGELRPQLLDRFGMHAEIHTV
KEPALRVQIVEQRSEFDQNPPTFLEKYNPEQTALQKKIVEAQKLLPEVKL
DYDLRVKISEVCSELDVDGLRGDIVTNRAAKALTAYEGRTEVTVDDIRRV
ITLCLRHRLRKDPLESIDSGYKVEKVFARIFGV
3D structure
PDB8osg Conformational variability of cyanobacterial ChlI, the AAA+ motor of magnesium chelatase involved in chlorophyll biosynthesis.
ChainA
Resolution3.8 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 6.6.1.1: magnesium chelatase.
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 ADP A I21 V22 G50 T51 G52 K53 I229 I8 V9 G37 T38 G39 K40 I159
Gene Ontology
Molecular Function
GO:0005524 ATP binding
GO:0016851 magnesium chelatase activity
GO:0016874 ligase activity
GO:0016887 ATP hydrolysis activity
Biological Process
GO:0015979 photosynthesis
GO:0015995 chlorophyll biosynthetic process

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Molecular Function

View graph for
Biological Process
External links
PDB RCSB:8osg, PDBe:8osg, PDBj:8osg
PDBsum8osg
PubMed37737632
UniProtP58571|CHLI_NOSS1 Magnesium-chelatase subunit ChlI (Gene Name=chlI)

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