Structure of PDB 3ng0 Chain A

Receptor sequence
>3ng0A (length=465) Species: 1148 (Synechocystis sp. PCC 6803) [Search protein sequence]
RTPQEVLKWIQDENIKIIDLKFIDTPGIWQHCSFYYDQLDENSFTEGIPF
DGSSIRGWKAINESDMCMVPDPNTATIDPFCKEPTLSMICSIKEPRTGEW
YNRDPRTIAAKAAEYLRGTGIADTVYFGPEAEFFLFDDIRFGQTENSSYY
FADSVEGRWNTGREEEGGNLGYKPGYKQGYFPVAPTDTAQDIRTEMLLTM
AAFGVPIEKHHHEVASGGQNELGIKFDKLVNSADNLMIYKYVIKNVAKKY
GKTVTFMPKPIFNDNGSGMHVHQSLWKDGQPLFAGDKYAGFSQMGLWYIG
GILKHAPALLAFTNPTTNSYKRLVPGFEAPVNLAYSQGNRSASVRIPLSG
GNPKAKRLEFRCPDATSNPYLAFAAMLCAGIDGIKNQIDPGEPLDVDIEL
AKIPSTPGSLEAALEALEKDHEFLTGTGVFSPDFVESWIEYKLDNEVNPM
RLRPHPYEFSLYYDC
3D structure
PDB3ng0 Crystal Structure of Glutamine Synthetase from Synechocystis sp. PCC 6803
ChainA
Resolution2.8 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 E215 E223 H272 R342 E361 R363
Catalytic site (residue number reindexed from 1) D51 E130 E132 E213 E221 H270 R340 E359 R361
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 ANP A Y128 E132 K211 I226 F228 H274 S276 R342 R347 R359 Y126 E130 K209 I224 F226 H272 S274 R340 R345 R357
BS02 MN A E134 E215 E223 E132 E213 E221
BS03 MN A E132 H272 E361 R363 E130 H270 E359 R361
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004356 glutamine synthetase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
Biological Process
GO:0006542 glutamine biosynthetic process
GO:0019676 ammonia assimilation cycle
GO:0019740 nitrogen utilization
Cellular Component
GO:0005737 cytoplasm
GO:0016020 membrane

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3ng0, PDBe:3ng0, PDBj:3ng0
PDBsum3ng0
PubMed
UniProtP77961|GLN1B_SYNY3 Glutamine synthetase (Gene Name=glnA)

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