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(-) Description

Title :  STRUCTURE ANALYSIS ALGQ2, A MACROMOLECULE(ALGINATE)-BINDING PERIPLASMIC PROTEIN OF SPHINGOMONAS SP. A1.
 
Authors :  K. Momma, B. Mikami, Y. Mishima, W. Hashimoto, K. Murata
Date :  29 Jan 02  (Deposition) - 13 Feb 02  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A
Keywords :  Binding Protein, Alginate, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Momma, B. Mikami, Y. Mishima, W. Hashimoto, K. Murata
Crystal Structure Of Algq2, A Macromolecule (Alginate)-Binding Protein Of Sphingomonas Sp. A1 At 2. 0A Resolution.
J. Mol. Biol. V. 316 1051 2002
PubMed-ID: 11884143  |  Reference-DOI: 10.1006/JMBI.2001.5393

(-) Compounds

Molecule 1 - MACROMOLECULE-BINDING PERIPLASMIC PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PAQ2
    Expression System Strain: BL21(DE3)PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 1-492
    Gene: ALGQ2
    Organism Scientific: SPHINGOMONAS SP.
    Organism Taxid: 90322
    Strain: A1
    Synonym: ALGQ2

 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
1CA1Ligand/IonCALCIUM ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:171 , ASN A:173 , ASN A:175 , LYS A:177 , ASP A:179 , GLU A:180BINDING SITE FOR RESIDUE CA A 800

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1KWH)

(-) 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:492
 aligned with Q9KWT5_SPHSX | Q9KWT5 from UniProtKB/TrEMBL  Length:516

    Alignment length:492
                                    34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444       454       464       474       484       494       504       514  
         Q9KWT5_SPHSX    25 KEATWVTDKPLTLKIHMHFRDKWVWDENWPVAKESFRLTNVKLQSVANKAATNSQEQFNLMMASGDLPDVVGGDNLKDKFIQYGQEGAFVPLNKLIDQYAPHIKAFFKSHPEVERAIKAPDGNIYFIPYVPDGVVARGYFIREDWLKKLNLKPPQNIDELYTVLKAFKEKDPNGNGKADEVPFIDRHPDEVFRLVNFWGARSSGSDNYMDFYIDNGRVKHPWAETAFRDGMKHVAQWYKEGLIDKEIFTRKARAREQMFGGNLGGFTHDWFASTMTFNEGLAKTVPGFKLIPIAPPTNSKGQRWEEDSRQKVRPDGWAITVKNKNPVETIKFFDFYFSRPGRDISNFGVPGVTYDIKNGKAVFKDSVLKSPQPVNNQLYDMGAQIPIGFWQDYDYERQWTTPEAQAGIDMYVKGKYVMPGFEGVNMTREERAIYDKYWADVRTYMYEMGQAWVMGTKDVDKTWDEYQRQLKLRGLYQVLQMMQQAYDRQYKN 516
               SCOP domains d1kwha_ A: Alginate-binding periplasmic protein AlgQ2                                                                                                                                                                                                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 1kwhA01 A:1-132,A:311-399 Periplasmic binding protein-like II                                                                       1kwhA02 A:133-310,A:400-492 Periplasmic binding protein-like II                                                                                                                   1kwhA01 A:1-132,A:311-399 Periplasmic binding protein-like II                            1kwhA02 A:133-310,A:400-492 Periplasmic binding protein-like II                               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..........eeeeeeeee...ee....hhhhhhhhhhhheeeee.......hhhhhhhhhhhhh....eeee..hhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhh........ee........eeeeeehhhhhhh......hhhhhhhhhhhhhhh..........eee...hhhhhhhhhhhhh............eee..eeehhhhhhhhhhhhhhhhhhhhh............hhhhhhhhh..eeeeeeehhhhhhhhhhh........eeee......................eeee.....hhhhhhhhhhhh.hhhhhhhhhhh.....eeee..eeeehhhhhhh..hhhhhhhh...........hhhhhhh..hhhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1kwh A   1 KEATWVTDKPLTLKIHMHFRDKWVWDENWPVAKESFRLTNVKLQSVANKAATNSQEQFNLMMASGDLPDVVGGDNLKDKFIQYGQEGAFVPLNKLIDQYAPHIKAFFKSHPEVERAIKAPDGNIYFIPYVPDGVVARGYFIREDWLKKLNLKPPQNIDELYTVLKAFKEKDPNGNGKADEVPFIDRHPDEVFRLVNFWGARSSGSDNYMDFYIDNGRVKHPWAETAFRDGMKHVAQWYKEGLIDKEIFTRKAKAREQMFGGNLGGFTHDWFASTMTFNEGLAKTVPGFKLIPIAPPTNSKGQRWEEDSRQKVRPDGWAITVKNKNPVETIKFFDFYFSRPGRDISNFGVPGVTYDIKNGKAVFKDSVLKSPQPVNNQLYDMGAQIPIGFWQDYDYERQWTTPEAQAGIDMYVKGKYVMPGFEGVNMTREERAIYDKYWADVRTYMYEMGQAWVMGTKDVDKTWDEYQRQLKLRGLYQVLQMMQQAYDRQYKN 492
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490
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  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 1KWH)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Q9KWT5_SPHSX | Q9KWT5)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0005215    transporter activity    Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
biological process
    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.

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  1kwh
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 Related Entries

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

UniProtKB/TrEMBL
        Q9KWT5_SPHSX | Q9KWT5: 1j1n 4tqu 4xig 4xtc

(-) Related Entries Specified in the PDB File

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