Structure of PDB 4lnk Chain C

Receptor sequence
>4lnkC (length=443) Species: 1423 (Bacillus subtilis) [Search protein sequence]
AKYTREDIEKLVKEENVKYIRLQFTDILGTIKNVEIPVSQLGKALDNKVM
FDGSSIEGFVRIEESDMYLYPDLNTFVIFPWTAEKGKVARFICDIYNPDG
TPFEGDPRNNLKRILKEMEDLGFSDFNLGPEPEFFLFKLDEKGEPTLELN
DKGGYFDLAPTDLGENCRRDIVLELEEMGFEIEASHHEVAPGQHEIDFKY
AGAVRSCDDIQTFKLVVKTIARKHGLHATFMPKPLFGVNGSGMHCNLSLF
KNGVNAFFDENADLQLSETAKHFIAGIVKHATSFTAVTNPTVNSYKRLVP
GYEAPCYVAWSAQNRSPLIRIPASRGISTRVEVRSVDPAANPYLALSVLL
AAGLDGIKNKLEAPAPIDRNIYVMSKEERMENGIVDLPATLAEALEEFKS
NEVMVKALGEHLFEHFIEAKEIEWDMFRTQVHPWEREQYMSQY
3D structure
PDB4lnk Structures of the Bacillus subtilis Glutamine Synthetase Dodecamer Reveal Large Intersubunit Catalytic Conformational Changes Linked to a Unique Feedback Inhibition Mechanism.
ChainC
Resolution2.87 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 R315 E332 R334
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 GLU C E134 Y156 E189 V190 N240 G241 G243 R298 E133 Y155 E188 V189 N239 G240 G242 R297
BS02 ADP C G130 Y201 N247 S249 S325 S329 R331 G129 Y200 N246 S248 S324 S328 R330
BS03 MG C E132 H245 E333 E131 H244 E332
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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Molecular Function
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Cellular Component
External links
PDB RCSB:4lnk, PDBe:4lnk, PDBj:4lnk
PDBsum4lnk
PubMed24158439
UniProtP12425|GLN1A_BACSU Glutamine synthetase (Gene Name=glnA)

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