Structure of PDB 4s0r Chain N

Receptor sequence
>4s0rN (length=443) Species: 224308 (Bacillus subtilis subsp. subtilis str. 168) [Search protein sequence]
AKYTREDIEKLVKEENVKYIRLQFTDILGTIKNVEIPVSQLGKALDNKVM
FDGSSIEGFVRIEESDMYLYPDLNTFVIFPWTAEKGKVARFICDIYNPDG
TPFEGDPRNNLKRILKEMEDLGFSDFNLGPEPEFFLFKLDEKGEPTLELN
DKGGYFDLAPTDLGENCRRDIVLELEEMGFEIEASHHEVAPGQHEIDFKY
AGAVRSCDDIQTFKLVVKTIARKHGLHATFMPKPLFGVNGSGMHCNLSLF
KNGVNAFFDENADLQLSETAKHFIAGIVKHATSFTAVTNPTVNSYKRLVP
GYEAPCYVAWSAQNRSPLIRIPASRGISTRVEVRSVDPAANPYLALSVLL
AAGLDGIKNKLEAPAPIDRNIYVMSKEERMENGIVDLPATLAEALEEFKS
NEVMVKALGEHLFEHFIEAKEIEWDMFRTQVHPWEREQYMSQY
3D structure
PDB4s0r Structures of regulatory machinery reveal novel molecular mechanisms controlling B. subtilis nitrogen homeostasis.
ChainN
Resolution3.5 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 peptide N V190 G238 V239 P301 G302 Y303 R316 R370 Y373 V189 G237 V238 P300 G301 Y302 R315 R369 Y372
BS02 peptide N F60 V61 R62 I63 M427 F59 V60 R61 I62 M426
BS03 GLN N E134 E189 R298 E304 E133 E188 R297 E303
BS04 MG N E134 E189 E196 E133 E188 E195
BS05 MG N 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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Biological Process

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Cellular Component
External links
PDB RCSB:4s0r, PDBe:4s0r, PDBj:4s0r
PDBsum4s0r
PubMed25691471
UniProtP12425|GLN1A_BACSU Glutamine synthetase (Gene Name=glnA)

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