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(-) Description

Title :  STRUCTURE OF SSPB, A AAA+ PROTEASE DELIVERY PROTEIN
 
Authors :  I. Levchenko, R. A. Grant, D. A. Wah, R. T. Sauer, T. A. Baker
Date :  24 Mar 03  (Deposition) - 23 Sep 03  (Release) - 30 Apr 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A  (2x)
Biol. Unit 2:  B,C  (1x)
Biol. Unit 3:  A,B,C  (2x)
Biol. Unit 4:  A (2x),B (2x),C (2x)
Biol. Unit 5:  A (1x),B (1x),C (1x)
Keywords :  Ssra Peptide-Binding Protein, Homodimer, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Levchenko, R. A. Grant, D. A. Wah, R. T. Sauer, T. A. Baker
Structure Of A Delivery Protein For An Aaa+ Protease In Complex With A Peptide Degradation Tag
Mol. Cell V. 12 365 2003
PubMed-ID: 14536076  |  Reference-DOI: 10.1016/J.MOLCEL.2003.08.014
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - STRINGENT STARVATION PROTEIN B HOMOLOG
    Chains: A, B, C
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RESIDUES 1-129
    Gene: SSPB
    Organism Scientific: HAEMOPHILUS INFLUENZAE
    Organism Taxid: 727

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit : ABC
Biological Unit 1 (2x): A  
Biological Unit 2 (1x):  BC
Biological Unit 3 (2x): ABC
Biological Unit 4 (2x): A (2x)B (2x)C (2x)
Biological Unit 5 (1x): A (1x)B (1x)C (1x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 9)

Asymmetric Unit (2, 9)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2MSE7Mod. Amino AcidSELENOMETHIONINE
Biological Unit 1 (1, 6)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE6Mod. Amino AcidSELENOMETHIONINE
Biological Unit 2 (1, 4)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE4Mod. Amino AcidSELENOMETHIONINE
Biological Unit 3 (1, 14)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE14Mod. Amino AcidSELENOMETHIONINE
Biological Unit 4 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE-1Mod. Amino AcidSELENOMETHIONINE
Biological Unit 5 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2MSE-1Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREALA A:56 , THR A:59 , HOH A:136 , HOH A:192 , GLN C:70 , GLU C:81BINDING SITE FOR RESIDUE CA A 130
2AC2SOFTWAREGLN A:70 , GLU A:81 , ALA B:56 , THR B:59 , HOH B:132 , HOH B:134BINDING SITE FOR RESIDUE CA A 131

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1OU9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1OU9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1OU9)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1OU9)

(-) Exons   (0, 0)

(no "Exon" information available for 1OU9)

(-) 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:121
 aligned with SSPB_HAEIN | P45206 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:121
                                    10        20        30        40        50        60        70        80        90       100       110       120 
           SSPB_HAEIN     1 MEYKSSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPMGAALAIYARENGDGVMFEPEEIYDELNIEPDTEQP 121
               SCOP domains d1ou9a_ A: Stringent starvation protein B, SspB                                                                           SCOP domains
               CATH domains -1ou9A00 A:2-121 Stringent starvation protein B, SspB                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhhh...eeeeee........hhhhh...eeeee......eeeee...eeeeeeee..eeeeeeee...eeeeee.....eee....hhhhhh......... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ou9 A   1 mEYKSSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPmGAALAIYARENGDGVmFEPEEIYDELNIEPDTEQP 121
                            |       10        20        30        40        50        60        70        80     |  90       100 |     110       120 
                            |                                                                                   86-MSE         102-MSE               
                            1-MSE                                                                                                                    


Chain B from PDB  Type:PROTEIN  Length:111
 aligned with SSPB_HAEIN | P45206 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:111
                                    13        23        33        43        53        63        73        83        93       103       113 
           SSPB_HAEIN     4 KSSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPMGAALAIYARENGDGVMFEPEEIYDELNI 114
               SCOP domains d1ou9b_ B: Stringent starvation protein B, SspB                                                                 SCOP domains
               CATH domains 1ou9B00 B:4-114 Stringent starvation protein B, SspB                                                            CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhh...eeeeee........hhhhh...eeeee......eeeee...eeeeeee....eeeeeee...eeeeee.....eee...hhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 1ou9 B   4 KSSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPmGAALAIYARENGDGVmFEPEEIYDELNI 114
                                    13        23        33        43        53        63        73        83  |     93       103       113 
                                                                                                             86-MSE         102-MSE        


Chain C from PDB  Type:PROTEIN  Length:117
 aligned with SSPB_HAEIN | P45206 from UniProtKB/Swiss-Prot  Length:150

    Alignment length:117
                                    14        24        34        44        54        64        74        84        94       104       114       
           SSPB_HAEIN     5 SSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPMGAALAIYARENGDGVMFEPEEIYDELNIEPDTEQP 121
               SCOP domains d1ou9c_ C: Stringent starvation protein B, SspB                                                                       SCOP domains
               CATH domains 1ou9C00 C:5-121 Stringent starvation protein B, SspB                                                                  CATH domains
           Pfam domains (1) SspB-1ou9C01 C:5-121                                                                                                  Pfam domains (1)
           Pfam domains (2) SspB-1ou9C02 C:5-121                                                                                                  Pfam domains (2)
           Pfam domains (3) SspB-1ou9C03 C:5-121                                                                                                  Pfam domains (3)
         Sec.struct. author ...hhhhhhhhhhhhhhhh...eeeeee................eeeee......eeeee...eeeeeeee..eeeeeeee...eeeeee.....eee....hhhhhh......... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------- Transcript
                 1ou9 C   5 SSPKRPYLLRAYYDWLVDNSFTPYLVVDATYLGVNVPVEYVKDGQIVLNLSASATGNLQLTNDFIQFNARFKGVSRELYIPmGAALAIYARENGDGVmFEPEEIYDELNIEPDTEQP 121
                                    14        24        34        44        54        64        74        84 |      94       104       114       
                                                                                                            86-MSE         102-MSE
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 3)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 3)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 3)

Asymmetric Unit
(-)
Clan: no clan defined [family: SspB] (10)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 1OU9)

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  1ou9
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 Related Entries

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

UniProtKB/Swiss-Prot
        SSPB_HAEIN | P45206: 1ou8 1oul 1twb 1zsz

(-) Related Entries Specified in the PDB File

1ou8 SAME PROTEIN IN COMPLEX WITH PEPTIDE TARGET
1oul