Structure of PDB 3gdu Chain B

Receptor sequence
>3gduB (length=279) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
FDSTDETPASYNLAVRRAAPAVVNVYNRGLNTNSHNQLEIRTLGSGVIMD
QRGYIITNKHVINDADQIIVALQDGRVFEALLVGSDSLTDLAVLKINATG
GLPTIPINARRVPHIGDVVLAIGNPYNLGQTITQGIISATGRITGRQNFL
QTDASINPGNSGGALVNSLGELMGINTLSFDKSNDGETPEGIGFAIPFQL
ATKIMDKLIRDGRVIRGYIGIGIVVNEVSPGPAANAGIQVNDLISVDNKP
LETMAQVAEIRPGSVIPTLQVTIQEYPAT
3D structure
PDB3gdu OMP peptides activate the DegS stress-sensor protease by a relief of inhibition mechanism.
ChainB
Resolution3.0 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.4.21.107: peptidase Do.
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 B Y258 I259 G260 I261 M319 V322 Y218 I219 G220 I221 M254 V257
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008233 peptidase activity
GO:0008236 serine-type peptidase activity
GO:0042802 identical protein binding
Biological Process
GO:0006508 proteolysis
GO:0071218 cellular response to misfolded protein
Cellular Component
GO:0005886 plasma membrane
GO:0030288 outer membrane-bounded periplasmic space

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Cellular Component
External links
PDB RCSB:3gdu, PDBe:3gdu, PDBj:3gdu
PDBsum3gdu
PubMed19836340
UniProtP0AEE3|DEGS_ECOLI Serine endoprotease DegS (Gene Name=degS)

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