Structure of PDB 3pkc Chain A

Receptor sequence
>3pkcA (length=281) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence]
RTALSPGVLSPTRPVPNWIARPEYVGKPAAQEGSEPWVQTPEVIEKMRVA
GRIAAGALAEAGKAVAPGVTTDELDRIAHEYLVDNGAYPSTLGYKGFPKS
CCTSLNEVICHGIPDSTVITDGDIVNIDVTAYIGGVHGDTNATFPAGDVA
DEHRLLVDRTREATMRAINTVKPGRALSVIGRVIESYANRFGYNVVRDFT
GHGIGTTFHNGLVVLHYDQPAVETIMQPGMTFTIEPMINLGALDYEIWDD
GWTVVTKDRKWTAQFEHTLLVTDTGVEILTC
3D structure
PDB3pkc Inhibition of Mycobacterium tuberculosis Methionine Aminopeptidases by Bengamide Derivatives.
ChainA
Resolution1.47 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H114 D131 D142 G204 H205 G208 H212 L215 E238 N242 E269
Catalytic site (residue number reindexed from 1) H111 D128 D139 G201 H202 G205 H209 L212 E235 N239 E266
Enzyme Commision number 3.4.11.18: methionyl aminopeptidase.
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 MN A D142 H205 T236 E238 E269 D139 H202 T233 E235 E266
BS02 MN A D131 D142 E269 D128 D139 E266
BS03 Y08 A E35 Y97 H114 D131 D142 T203 H205 F211 H212 E238 E269 E32 Y94 H111 D128 D139 T200 H202 F208 H209 E235 E266 MOAD: ic50=0.96uM
PDBbind-CN: -logKd/Ki=6.02,IC50=960nM
Gene Ontology
Molecular Function
GO:0004177 aminopeptidase activity
GO:0004239 initiator methionyl aminopeptidase activity
GO:0005506 iron ion binding
GO:0008235 metalloexopeptidase activity
GO:0046872 metal ion binding
GO:0046914 transition metal ion binding
GO:0050897 cobalt ion binding
GO:0070006 metalloaminopeptidase activity
Biological Process
GO:0006508 proteolysis
GO:0016485 protein processing
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:3pkc, PDBe:3pkc, PDBj:3pkc
PDBsum3pkc
PubMed21465667
UniProtP9WK19|MAP12_MYCTU Methionine aminopeptidase 2 (Gene Name=map)

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