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(-) Description

Title :  PNEUMOCOCCAL SURFACE ANTIGEN PSAA
 
Authors :  M. C. Lawrence, P. A. Pilling, V. C. Epa, A. M. Berry, A. D. Ogunniyi, J. C. Paton
Date :  13 Oct 98  (Deposition) - 19 Apr 00  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A
Keywords :  Psaa, Abc-Type Binding Protein, Metal-Binding Protein, Pneumococcal Surface Antigen, Immune System (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. C. Lawrence, P. A. Pilling, V. C. Epa, A. M. Berry, A. D. Ogunniyi, J. C. Paton
The Crystal Structure Of Pneumococcal Surface Antigen Psaa Reveals A Metal-Binding Site And A Novel Structure For A Putative Abc-Type Binding Protein.
Structure V. 6 1553 1998
PubMed-ID: 9862808  |  Reference-DOI: 10.1016/S0969-2126(98)00153-1
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (SURFACE ANTIGEN PSAA)
    Atcc: NCTC7466
    Cellular Location: EXTRACELLULAR
    Chains: A
    Collection: NCTC7466
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Cellular Location: CYTOPLASM
    Expression System Strain: SG12009 [PREP4]
    Expression System Taxid: 562
    Expression System Vector: PQE30
    Expression System Vector Type: QIAEXPRESS
    Mutation: YES
    Organism Scientific: STREPTOCOCCUS PNEUMONIAE
    Organism Taxid: 1313
    Other Details: THE EXPRESSED CONSTRUCT LACKS THE PRO- LIPOPROTEIN RECOGNITION SEQUENCE LXXC
    Strain: D39 (SEROTYPE 2)

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:67 , HIS A:139 , GLU A:205 , ASP A:280BINDING SITE FOR RESIDUE ZN A 1000
2ZNAUTHORHIS A:67 , HIS A:139 , GLU A:205 , ASP A:280THE IDENTITY OF THE BOUND METAL IS UNCERTAIN, HOWEVER X-RAY REFINEMENT SUGGESTS THAT IT IS MOST LIKELY ZN+2

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (14, 14)

Asymmetric/Biological Unit (14, 14)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_MTSA_STRPN_006 *G30SMTSA_STRPN  ---  ---AG30S
02UniProtVAR_MTSA_STRPN_007 *I62VMTSA_STRPN  ---  ---AI62V
03UniProtVAR_MTSA_STRPN_008 *E81QMTSA_STRPN  ---  ---AE81Q
04UniProtVAR_MTSA_STRPN_009 *D83NMTSA_STRPN  ---  ---AD83N
05UniProtVAR_MTSA_STRPN_010 *D120EMTSA_STRPN  ---  ---AD120E
06UniProtVAR_MTSA_STRPN_011 *Q130KMTSA_STRPN  ---  ---AQ130K
07UniProtVAR_MTSA_STRPN_012 *I148MMTSA_STRPN  ---  ---AI148M
08UniProtVAR_MTSA_STRPN_013 *N164SMTSA_STRPN  ---  ---AN164S
09UniProtVAR_MTSA_STRPN_014 *K193NMTSA_STRPN  ---  ---AK193N
10UniProtVAR_MTSA_STRPN_015 *A207CMTSA_STRPN  ---  ---AA207C
11UniProtVAR_MTSA_STRPN_016 *E234DMTSA_STRPN  ---  ---AE234D
12UniProtVAR_MTSA_STRPN_017 *V248TMTSA_STRPN  ---  ---AV248T
13UniProtVAR_MTSA_STRPN_018 *Q285EMTSA_STRPN  ---  ---AQ285E
14UniProtVAR_MTSA_STRPN_019 *S294NMTSA_STRPN  ---  ---AS294N
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1PSZ)

(-) Sequences/Alignments

Asymmetric/Biological 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:286
 aligned with MTSA_STRPN | P0A4G2 from UniProtKB/Swiss-Prot  Length:309

    Alignment length:286
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303      
           MTSA_STRPN    24 KKDTTSGQKLKVVATNSIIADITKNIAGDKIDLHSIVPIGQDPHEYEPLPEDVKKTSEADLIFYNGINLETGGNAWFTKLVENAKKTENKDYFAVSDGVDVIYLEGQNEKGKEDPHAWLNLENGIIFAKNIAKQLSAKDPNNKEFYEKNLKEYTDKLDKLDKESKDKFNKIPAEKKLIVTSEGAFKYFSKAYGVPSAYIWEINTEEEGTPEQIKTLVEKLRQTKVPSLFVESSVDDRPMKTVSQDTNIPIYAQIFTDSIAEQGKEGDSYYSMMKYNLDKIAEGLAK 309
               SCOP domains d1psza_ A: Pneumococcal surface antigen PssA                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 1pszA01 A:24-178 Nitrogenase molybdenum iron protein domain                                                                                                1pszA02 A:179-309 Nitrogenase molybdenum iron protein domain                                                                        CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........eeeee.hhhhhhhhhhhh....eeeee............hhhhhhhhhhh.eeee..........hhhhhhhhhh......eeeee........................hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh...........eeeeee.hhhhhhhh..eeeeee........hhhhhhhhhhhhh......eeeee...hhhhhhhhhhhh.eeeeee.............hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------S-------------------------------V------------------Q-N------------------------------------E---------K-----------------M---------------S----------------------------N-------------C--------------------------D-------------T------------------------------------E--------N--------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1psz A  24 KKDTTSGQKLKVVATNSIIADITKNIAGDKIDLHSIVPIGQDPHEYEPLPEDVKKTSEADLIFYNGINLETGGNAWFTKLVENAKKTENKDYFAVSDGVDVIYLEGQNEKGKEDPHAWLNLENGIIFAKNIAKQLSAKDPNNKEFYEKNLKEYTDKLDKLDKESKDKFNKIPAEKKLIVTSEGAFKYFSKAYGVPSAYIWEINTEEEGTPEQIKTLVEKLRQTKVPSLFVESSVDDRPMKTVSQDTNIPIYAQIFTDSIAEQGKEGDSYYSMMKYNLDKIAEGLAK 309
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303
   Legend:   → Mismatch (orange background)
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  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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1PSZ)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (MTSA_STRPN | P0A4G2)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0007155    cell adhesion    The attachment of a cell, either to another cell or to an underlying substrate such as the extracellular matrix, via cell adhesion molecules.
    GO:0030001    metal ion transport    The directed movement of metal ions, any metal ion with an electric charge, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        MTSA_STRPN | P0A4G2: 3zk7 3zk8 3zk9 3zka 3ztt 4uto 4utp

(-) Related Entries Specified in the PDB File

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