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(-) Description

Title :  CRYSTAL STRUCTURE OF ESPG3 FROM THE ESX-3 TYPE VII SECRETION SYSTEM OF M. SMEGMATIS
 
Authors :  D. C. Ekiert, J. S. Cox
Date :  14 Aug 14  (Deposition) - 01 Oct 14  (Release) - 29 Oct 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Signal Recognition, Virulence Factor, Protein Secretion, Adaptor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. C. Ekiert, J. S. Cox
Structure Of A Pe-Ppe-Espg Complex From Mycobacterium Tuberculosis Reveals Molecular Specificity Of Esx Protein Secretion.
Proc. Natl. Acad. Sci. Usa V. 111 14758 2014
PubMed-ID: 25275011  |  Reference-DOI: 10.1073/PNAS.1409345111

(-) Compounds

Molecule 1 - ESPG3
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21A
    Expression System Strain: ROSETTA 2 (BL21)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: MSMEG_0622, MSMEI_0606
    Organism Scientific: MYCOBACTERIUM SMEGMATIS
    Organism Taxid: 246196
    Strain: ATCC 700084 / MC(2)155

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 12)

Asymmetric Unit (2, 12)
No.NameCountTypeFull Name
1MSE9Mod. Amino AcidSELENOMETHIONINE
2SO43Ligand/IonSULFATE ION
Biological Unit 1 (2, 8)
No.NameCountTypeFull Name
1MSE5Mod. Amino AcidSELENOMETHIONINE
2SO43Ligand/IonSULFATE ION
Biological Unit 2 (1, 4)
No.NameCountTypeFull Name
1MSE4Mod. Amino AcidSELENOMETHIONINE
2SO4-1Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:201 , ARG A:202 , ASP A:203 , GLY A:204 , GLU B:210 , LYS B:229 , TRP B:235binding site for residue SO4 A 301
2AC2SOFTWARELYS A:229 , TRP A:235 , HIS B:201 , ASP B:203 , GLY B:204binding site for residue SO4 A 302
3AC3SOFTWAREHIS A:-1 , ARG A:66 , TRP A:70 , GLU A:103 , ALA A:118binding site for residue SO4 A 303

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4W4J)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4W4J)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 4W4J)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:266
                                                                                                                                                                                                                                                                                                          
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeehhhhhhhhhhhh....hhhhh......hhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhh..eeeeeeeee...eeeeeeeeee..eeeeeeee..eeeeee.......hhhhhhhh............eeeehhhhhhhhhhhhh..hhhhhhhhhh....hhhhhhhhh....eeeeeeeeeee..eeee....eeeeee..eeeeeeeee.....eeeeeee.hhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4w4j A  -1 HmGPNAVELTTDQAWCLADVLGAGSYPWVLAITPPYSDHSQRSAFLAAQSAELTRmGVVNSAGAVDPRVAQWITTVCRATQWLDLRFVSGPGDLLRGmVARRSEETVVALRNAQLVTFTAmDIGHQHALVPVLTAGLSGRKPARFDDFALPAAAGARADEQIRNGAPLAEVLEFLGVPPSARPLVESVFDGRRTYVEIVAGEHRDGHRVTTEVGVSIIDTPHGRILVHPTKAFDGEWISTFTPGSADAIAmAVERLTASLPSGSWF 264
                             |       8        18        28        38        48     |  58        68        78        88       |98       108       118|      128       138       148       158       168       178       188       198       208       218       228       238       248|      258      
                             |                                                    54-MSE                                    96-MSE                119-MSE                                                                                                                           249-MSE           
                             0-MSE                                                                                                                                                                                                                                                                    


Chain B from PDB  Type:PROTEIN  Length:263
                                                                                                                                                                                                                                                                                                       
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeehhhhhhhhhhhh....hhhhh......hhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhh..eeeeeeee.....eeeeeeeee..eeeeeeee..eeeeee........hhhhhh.............eeeehhhhhhhhhhhhh..hhhhhhhhhh....hhhhhhhhh....eeeeeeeeeee..eeee....eeeeee..eeeeeeeee.....eeeeeee.hhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4w4j B   2 PNAVELTTDQAWCLADVLGAGSYPWVLAITPPYSDHSQRSAFLAAQSAELTRmGVVNSAGAVDPRVAQWITTVCRATQWLDLRFVSGPGDLLRGmVARRSEETVVALRNAQLVTFTAmDIGHQHALVPVLTAGLSGRKPARFDDFALPAAAGARADEQIRNGAPLAEVLEFLGVPPSARPLVESVFDGRRTYVEIVAGEHRDGHRVTTEVGVSIIDTPHGRILVHPTKAFDGEWISTFTPGSADAIAmAVERLTASLPSGSWF 264
                                    11        21        31        41        51  |     61        71        81        91    |  101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261   
                                                                               54-MSE                                    96-MSE                119-MSE                                                                                                                           249-MSE
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 4W4J)

(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (1, 1)

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  ESPG3_MYCS2 | A0QQ45
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ESPG3_MYCS2 | A0QQ45: 4l4w 4rcl 5sxl

(-) Related Entries Specified in the PDB File

4w4i 4w4k 4w4l