Structure of PDB 1n51 Chain A

Receptor sequence
>1n51A (length=440) Species: 562 (Escherichia coli) [Search protein sequence]
SEISRQEFQRRRQALVEQMQPGSAALIFAAPEVTRSADSEYPYRQNSDFW
YFTGFNEPEAVLVLIKSDDTHNHSVLFNRVRDLTAEIWFGRRLGQDAAPE
KLGVDRALAFSEINQQLYQLLNGLDVVYHAQGEYAYADVIVNSALEKLRK
GSRQNLTAPATMIDWRPVVHEMRLFKSPEEIAVLRRAGEITAMAHTRAME
KCRPGMFEYHLEGEIHHEFNRHGARYPSYNTIVGSGENGCILHYTENECE
MRDGDLVLIDAGCEYKGYAGDITRTFPVNGKFTQAQREIYDIVLESLETS
LRLYRPGTSILEVTGEVVRIMVSGLVKLGILKGDVDELIAQNAHRPFFMH
GLSHWLGLDVHDVGVYGQDRSRILEPGMVLTVEPGLYIAPDAEVPEQYRG
IGIRIEDDIVITETGNENLTASVVKKPEEIEALMVAARKQ
3D structure
PDB1n51 Structure of Escherichia coli aminopeptidase P in complex with the inhibitor apstatin.
ChainA
Resolution2.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D38 H243 D260 D271 H350 H354 H361 E383 Y387 R404 E406
Catalytic site (residue number reindexed from 1) D38 H243 D260 D271 H350 H354 H361 E383 Y387 R404 E406
Enzyme Commision number 3.4.11.9: Xaa-Pro 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 peptide A Y229 H243 D260 D271 H350 H361 E383 R404 E406 Y229 H243 D260 D271 H350 H361 E383 R404 E406
BS02 MN A D271 H354 T381 E383 E406 D271 H354 T381 E383 E406
BS03 MN A Y229 D260 D271 E406 Y229 D260 D271 E406
Gene Ontology
Molecular Function
GO:0004177 aminopeptidase activity
GO:0005515 protein binding
GO:0008235 metalloexopeptidase activity
GO:0008237 metallopeptidase activity
GO:0030145 manganese ion binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0046914 transition metal ion binding
GO:0070006 metalloaminopeptidase activity
Biological Process
GO:0006508 proteolysis
GO:0051289 protein homotetramerization
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0032991 protein-containing complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1n51, PDBe:1n51, PDBj:1n51
PDBsum1n51
PubMed15388923
UniProtP15034|AMPP_ECOLI Xaa-Pro aminopeptidase (Gene Name=pepP)

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