Structure of PDB 4c2g Chain A

Receptor sequence
>4c2gA (length=433) Species: 224308 (Bacillus subtilis subsp. subtilis str. 168) [Search protein sequence]
SERDKAMDKIEKAYELISNEYVEKVDREKLLEGAIQGMLSTLNDPYSVYM
DKQTAKQFSDSLDSSFEGIGAEVGMEDGKIIIVSPFKKSPAEKAGLKPND
EIISINGESMAGKDLNHAVLKIRGKKGSSVSMKIQRPGTKKQLSFRIKRA
EIPLETVFASEKKVQGHSVGYIAISTFSEHTAEDFAKALRELEKKEIEGL
VIDVRGNPGGYLQSVEEILKHFVTKDQPYIQIAERNGDKKRYFSTLTHKK
AYPVNVITDKGSAAASEILAGALKEAGHYDVVGDTSFGKGTVQQAVPMGD
GSNIKLTLYKWLTPNGNWIHKKGIEPTIAIKQPDYFSAGPLQLKEPLKVD
MNNEDVKHAQVLLKGLSFDPGREDGYFSKDMKKAVMAFQDQNKLNKTGVI
DTRTAETLNQQIEKKKSDEKNDLQLQTALKSLF
3D structure
PDB4c2g Ctpb Assembles a Gated Protease Tunnel Regulating Cell-Cell Signaling During Spore Formation in Bacillus Subtilis.
ChainA
Resolution1.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.4.21.102: C-terminal processing peptidase.
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 G255 L257 A309 A310 K334 V337 Q338 F478 G210 L212 A264 A265 K289 V292 Q293 F433
BS02 peptide A F111 G113 I114 G115 A116 E117 V118 I167 R168 F66 G68 I69 G70 A71 E72 V73 I122 R123
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:0042277 peptide binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0006508 proteolysis
GO:0006518 peptide metabolic process
GO:0007165 signal transduction
GO:0030435 sporulation resulting in formation of a cellular spore
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4c2g, PDBe:4c2g, PDBj:4c2g
PDBsum4c2g
PubMed24243021
UniProtO35002|CTPB_BACSU Carboxy-terminal processing protease CtpB (Gene Name=ctpB)

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