Structure of PDB 2pza Chain B Binding Site BS03

Receptor Information

>2pza Chain B (length=279) Species: 1392 (Bacillus anthracis)

MTLQEQIMKALHVQPVIDPKAEIRKRVDFLKDYVKKTGAKGFVLGISGGQ
DSTLAGRLAQLAVEEIRNEGGNATFIAVRLPYKVQKDEDDAQLALQFIQA
DQSVAFDIASTVDAFSNQYENLLDESLTDFNKGNVKARIRMVTQYAIGGQ
KGLLVIGTDHAAEAVTGFFTKFGDGGADLLPLTGLTKRQGRALLQELGAD
ERLYLKMPTADLLDEKPGQADETELGITYDQLDDYLEGKTVPADVAEKIE
KRYTVSEHKRQVPASMFDDWWKLAAALEH

Ligand information

• Ligand ID: POP
• InChI: InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)/p-2
• InChIKey: XPPKVPWEQAFLFU-UHFFFAOYSA-L
• SMILES:
  OpenEye OEToolkits 1.5.0: O[P@@](=O)([O-])O[P@@](=O)(O)[O-]
  CACTVS 3.341: O[P]([O-])(=O)O[P](O)([O-])=O
  ACDLabs 10.04: [O-]P(=O)(O)OP([O-])(=O)O
  OpenEye OEToolkits 1.5.0: OP(=O)([O-])OP(=O)(O)[O-]
• Formula: H2 O7 P2
• Name: PYROPHOSPHATE 2-
• PDB chain: 2pza Chain B Residue 7000

Receptor-Ligand Complex Structure

Structure summary

• PDB: 2pza Structural adaptation of an interacting non-native C-terminal helical extension revealed in the crystal structure of NAD(+) synthetase from Bacillus anthracis.
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): S47 G49 D51 S52 K187 P208 T209
• Binding residue (residue number reindexed from 1): S47 G49 D51 S52 K187 P208 T209
• Annotation score: 5

Enzymatic activity

• Catalytic site (original residue number in PDB): D51 E163
• Catalytic site (residue number reindexed from 1): D51 E163
• Enzyme Commision number: 6.3.1.5: NAD(+) synthase.

Gene Ontology

Molecular Function

• GO:0003952 NAD+ synthase (glutamine-hydrolyzing) activity
• GO:0004359 glutaminase activity
• GO:0005524 ATP binding
• GO:0008795 NAD+ synthase activity
• GO:0016874 ligase activity
• GO:0046872 metal ion binding

Biological Process

• GO:0009435 NAD biosynthetic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:2pza, PDBe:2pza, PDBj:2pza
• PDBsum: 2pza
• PubMed: 17642516
• UniProt: Q81RP3|NADE_BACAN NH(3)-dependent NAD(+) synthetase (Gene Name=nadE)