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(-) Description

Title :  1.55 A CRYSTAL STRUCTURE OF THE PLEIOTROPIC TRANSLATIONAL REGULATOR, HFQ
 
Authors :  M. A. Schumacher, R. F. Pearson, T. Moller, P. Valentin-Hansen, R. G. Brennan
Date :  03 Jan 02  (Deposition) - 10 Jul 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym. Unit :  A,B,H,I,K,M,N,R,S,T,W,Y
Biol. Unit 1:  A,B,H,I,K,M  (1x)
Biol. Unit 2:  N,R,S,T,W,Y  (1x)
Keywords :  Hfq, Hexamer, Rna Binding Protein, Translational Regulator, Sm Motif (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. A. Schumacher, R. F. Pearson, T. Moller, P. Valentin-Hansen, R. G. Brennan
Structures Of The Pleiotropic Translational Regulator Hfq And An Hfq-Rna Complex: A Bacterial Sm-Like Protein.
Embo J. V. 21 3546 2002
PubMed-ID: 12093755  |  Reference-DOI: 10.1093/EMBOJ/CDF322
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HOST FACTOR FOR Q BETA
    ChainsA, B, H, I, K, M, S, T, Y, N, R, W
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificSTAPHYLOCOCCUS AUREUS
    Organism Taxid1280
    SynonymHFQ

 Structural Features

(-) Chains, Units

  123456789101112
Asymmetric Unit ABHIKMNRSTWY
Biological Unit 1 (1x)ABHIKM      
Biological Unit 2 (1x)      NRSTWY

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 5)

Asymmetric Unit (1, 5)
No.NameCountTypeFull Name
1ACY5Ligand/IonACETIC ACID
Biological Unit 1 (1, 3)
No.NameCountTypeFull Name
1ACY3Ligand/IonACETIC ACID
Biological Unit 2 (1, 2)
No.NameCountTypeFull Name
1ACY2Ligand/IonACETIC ACID

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:56 , HIS A:58 , HOH A:609 , HOH A:613 , LYS H:41 , HOH H:662BINDING SITE FOR RESIDUE ACY A 601
2AC2SOFTWAREPHE S:26 , SER S:61 , HOH S:79 , PHE T:26 , ASN T:28 , PHE T:30BINDING SITE FOR RESIDUE ACY T 602
3AC3SOFTWAREMET R:32 , HIS R:53 , HOH R:637 , PHE W:25 , THR W:62BINDING SITE FOR RESIDUE ACY R 603
4AC4SOFTWAREPHE H:26 , ASN H:28 , PHE H:30 , PHE I:26 , SER I:61 , HOH I:89BINDING SITE FOR RESIDUE ACY H 604
5AC5SOFTWAREGLN A:19 , VAL A:35 , GLU A:37 , HOH A:655BINDING SITE FOR RESIDUE ACY A 605

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1KQ1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KQ1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1KQ1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1KQ1)

(-) Exons   (0, 0)

(no "Exon" information available for 1KQ1)

(-) 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:60
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:60
                                    15        25        35        45        55        65
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
               SCOP domains d1kq1a_ A: Pleiotropic translational regulator Hfq           SCOP domains
               CATH domains 1kq1A00 A:6-65  [code=2.30.30.100, no name defined]          CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                  1kq1 A  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
                                    15        25        35        45        55        65

Chain B from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1b_ B: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1B00 B:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh..eeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 B  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain H from PDB  Type:PROTEIN  Length:66
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:66
                                    10        20        30        40        50        60      
          A0A0H3JV59_S    1 MIANENIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1h_ H: Pleiotropic translational regulator Hfq                 SCOP domains
               CATH domains 1kq1H00 H:1-66  [code=2.30.30.100, no name defined]                CATH domains
               Pfam domains ------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------ Transcript
                  1kq1 H  1 MIANENIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    10        20        30        40        50        60      

Chain I from PDB  Type:PROTEIN  Length:60
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:60
                                    15        25        35        45        55        65
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
               SCOP domains d1kq1i_ I: Pleiotropic translational regulator Hfq           SCOP domains
               CATH domains 1kq1I00 I:6-65  [code=2.30.30.100, no name defined]          CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                  1kq1 I  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
                                    15        25        35        45        55        65

Chain K from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1k_ K: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1K00 K:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 K  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain M from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1m_ M: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1M00 M:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 M  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain N from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1n_ N: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1N00 N:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee....eeeeeeeee...eeeee....eeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 N  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain R from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1r_ R: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1R00 R:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 R  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain S from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1s_ S: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1S00 S:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 S  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain T from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1t_ T: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1T00 T:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeee....eeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 T  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain W from PDB  Type:PROTEIN  Length:61
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:61
                                    15        25        35        45        55        65 
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
               SCOP domains d1kq1w_ W: Pleiotropic translational regulator Hfq            SCOP domains
               CATH domains 1kq1W00 W:6-66  [code=2.30.30.100, no name defined]           CATH domains
               Pfam domains ------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------- Transcript
                  1kq1 W  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTVE 66
                                    15        25        35        45        55        65 

Chain Y from PDB  Type:PROTEIN  Length:60
 aligned with A0A0H3JV59_S | A0A0H3JV59 from UniProtKB/TrEMBL  Length:77

    Alignment length:60
                                    15        25        35        45        55        65
          A0A0H3JV59_S    6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
               SCOP domains d1kq1y_ Y: Pleiotropic translational regulator Hfq           SCOP domains
               CATH domains 1kq1Y00 Y:6-65  [code=2.30.30.100, no name defined]          CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhh..eeeeee....eeeeeeeee...eeeeee..eeeeee...eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                  1kq1 Y  6 NIQDKALENFKANQTEVTVFFLNGFQMKGVIEEYDKYVVSLNSQGKQHLIYKHAISTYTV 65
                                    15        25        35        45        55        65

   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, 12)

Asymmetric Unit

(-) CATH Domains  (1, 12)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1KQ1)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
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 Related Entries

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

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        A0A0H3JV59_S | A0A0H3JV591kq2

(-) Related Entries Specified in the PDB File

1kq2 CRYSTAL STRUCTURE OF AN HFQ-RNA COMPLEX