Structure of PDB 4lnn Chain I

Receptor sequence
>4lnnI (length=436) Species: 1423 (Bacillus subtilis) [Search protein sequence]
AKYTREDIEKLVKEENVKYIRLQFTDILGTIKNVEIPVSQLGKALDNKVM
FDGSSIEGFVRIEESDMYLYPDLNTFVIFPWTAEKGKVARFICDIYNPDG
TPFEGDPRNNLKRILKEMEDLGFSDFNLGPEPEFFLFKLDEKGEPTLELN
DKGGYFDLAPTDLGENCRRDIVLELEEMGFEIEASHHEVAPGQHEIDFKY
AGAVRSCDDIQTFKLVVKTIARKHGLHATFMPKPLFGVNGSGMHCNLSLF
KNGVNAFFDENADLQLSETAKHFIAGIVKHATSFTAVTNPTVNSYKRLVY
VAWSAQNRSPLIRIPASRGISTRVEVRSVDPAANPYLALSVLLAAGLDGI
KNKLEAPAPIDRNIYVMSKEERMENGIVDLPATLAEALEEFKSNEVMVKA
LGEHLFEHFIEAKEIEWDMFRTQVHPWEREQYMSQY
3D structure
PDB4lnn Structures of the Bacillus subtilis Glutamine Synthetase Dodecamer Reveal Large Intersubunit Catalytic Conformational Changes Linked to a Unique Feedback Inhibition Mechanism.
ChainI
Resolution3.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D53 E132 E134 E189 E196 H245 R316 E333 R335
Catalytic site (residue number reindexed from 1) D52 E131 E133 E188 E195 H244 R308 E325 R327
Enzyme Commision number 6.3.1.2: glutamine synthetase.
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 MG I E134 E196 E133 E195
BS02 MG I E132 E333 E131 E325
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0004356 glutamine synthetase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016595 glutamate binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
GO:0070406 glutamine binding
GO:0140297 DNA-binding transcription factor binding
Biological Process
GO:0006542 glutamine biosynthetic process
GO:0043562 cellular response to nitrogen levels
GO:0045892 negative regulation of DNA-templated transcription
GO:0090295 nitrogen catabolite repression of transcription
GO:1904797 negative regulation of core promoter binding
Cellular Component
GO:0005737 cytoplasm

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Cellular Component
External links
PDB RCSB:4lnn, PDBe:4lnn, PDBj:4lnn
PDBsum4lnn
PubMed24158439
UniProtP12425|GLN1A_BACSU Glutamine synthetase (Gene Name=glnA)

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