Structure of PDB 4hpp Chain A Binding Site BS01

Receptor Information

>4hpp Chain A (length=426) Species: 208964 (Pseudomonas aeruginosa PAO1)

MNRLQPVRLVSFVTTDLAGITRGRSLPLATLEEQLASGCGWVPANSSLTP
QDLIDESSPWGSHGDLRLLPDPNSRVRVEQGPDAAAPALDYLHGNLVETD
GTPWPACPRSLLRAEVERYRDSGLQVIAAFEHEFSLLGLPGERPAAAFSL
QAQRAAGQFPGWLVSALAQAGTEPEMFLPEYGQRQYEVTCRPAQGVAAAD
RAVNVREVTREVARQMGLRTCFAPLPAPGAVTNGVHLHLSLQHADGSPLL
YEPGRPNDLSELGEHWAAGVLAHLPALCALTAPTAASYLRLKPHHWSAAY
ACLGLRNREAALRICPVVSVGGKPLGKQYNLEFRPMDATTCPHLAMAAVL
IAGRLGIERRLPLRRGIQALPATLGDALDCLQRDEALCAELPKPLLDTYL
AMKRHELALTAGLSDDDLCRHYAELY

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 4hpp Chain A Residue 501

Receptor-Ligand Complex Structure

Structure summary

• PDB: 4hpp Structure and Activity of PA5508, a Hexameric Glutamine Synthetase Homologue.
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): E133 E180 E187
• Binding residue (residue number reindexed from 1): E133 E180 E187
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): D55 E131 E133 E180 E187 H236 R308 E332 R334
• Catalytic site (residue number reindexed from 1): D55 E131 E133 E180 E187 H236 R308 E332 R334
• Enzyme Commision number: 6.3.1.11: glutamate--putrescine ligase.

Gene Ontology

Molecular Function

• GO:0003824 catalytic activity
• GO:0004356 glutamine synthetase activity
• GO:0016879 ligase activity, forming carbon-nitrogen bonds
• GO:0046872 metal ion binding

Biological Process

• GO:0006542 glutamine biosynthetic process

External links

• PDB: RCSB:4hpp, PDBe:4hpp, PDBj:4hpp
• PDBsum: 4hpp
• PubMed: 23234431
• UniProt: Q9HT65