Structure of PDB 3ig4 Chain B Binding Site BS02

Receptor Information

>3ig4 Chain B (length=419) Species: 1392 (Bacillus anthracis)

MKSKFFAQNRERLVNTLPDESITILFAGQAPHMSADAHYKFVPNRNFYYV
TGIDEPNVIFMLKKFGNSVEETLFIEKSDPVMEKWVGKTVSNEEAEKISG
IKKVIYLDSFEKTMSNIFFTENVKHLYLDLECREWKGTETKTLAFAKHVR
EQYPHVTIGNVYPNICELRVFKTDEEIEIIKEAIAVTKDGIYNVLKHAKA
DMMEYELEAQFDFTLKSSGIKHHAFNTILASGKNATVLHYEDNDAQIQNG
DLVLLDLGAQKDYYNADISYTFPANGTFSSRQKQIYNIVLNALKETTEII
KPGLKFAALNEHAKKVLAEGCKAVGLIQEDEELSKYYYHGVSHFLGLDTH
DVGTYKDRVLEEGMVITIEPGLYIEEESIGIRIEDDILVTKDGHENLSKD
IIREVEEIEEFMRENNVNV

Ligand information

• Ligand ID: MN
• InChI: InChI=1S/Mn/q+2
• InChIKey: WAEMQWOKJMHJLA-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mn+2]
  CACTVS 3.341: [Mn++]
• Formula: Mn
• Name: MANGANESE (II) ION
• DrugBank: DB06757
• PDB chain: 3ig4 Chain B Residue 429

Receptor-Ligand Complex Structure

Structure summary

• PDB: 3ig4 Structure of a putative aminopeptidase P from Bacillus anthracis
• Resolution: 2.89 Å
• Binding residue (original residue number in PDB): D267 H343 E369 E384
• Binding residue (residue number reindexed from 1): D267 H343 E369 E384
• Annotation score: 4

Enzymatic activity

• Catalytic site (original residue number in PDB): D36 H239 D256 D267 H339 H343 H350 E369 Y373 R382 E384
• Catalytic site (residue number reindexed from 1): D36 H239 D256 D267 H339 H343 H350 E369 Y373 R382 E384

Gene Ontology

Molecular Function

• GO:0004177 aminopeptidase activity
• GO:0030145 manganese ion binding
• GO:0046872 metal ion binding
• GO:0070006 metalloaminopeptidase activity

Biological Process

• GO:0006508 proteolysis

Cellular Component

• GO:0005829 cytosol

External links

• PDB: RCSB:3ig4, PDBe:3ig4, PDBj:3ig4
• PDBsum: 3ig4
• UniProt: A0A6L8PS06