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(-) Description

Title :  HSP33, HEAT SHOCK PROTEIN WITH REDOX-REGULATED CHAPERONE ACTIVITY
 
Authors :  J. Vijayalakshmi, M. K. Mukhergee, J. Graumann, U. Jakob, M. A. Saper
Date :  09 Jan 01  (Deposition) - 16 May 01  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Hsp33, Dimerization, Heat Shock Protein, Oxidative Stress, Chaperone (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Vijayalakshmi, M. K. Mukhergee, J. Graumann, U. Jakob, M. A. Saper
The 2. 2 A Crystal Structure Of Hsp33: A Heat Shock Protein With Redox-Regulated Chaperone Activity.
Structure V. 9 367 2001
PubMed-ID: 11377197  |  Reference-DOI: 10.1016/S0969-2126(01)00597-4

(-) Compounds

Molecule 1 - HEAT SHOCK PROTEIN HSP33
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET11A(PSS1)
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN
    Gene: HSLO
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: 33 KDA CHAPERONIN

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 6)

Asymmetric Unit (3, 6)
No.NameCountTypeFull Name
1MES1Ligand/Ion2-(N-MORPHOLINO)-ETHANESULFONIC ACID
2SO44Ligand/IonSULFATE ION
3ZN1Ligand/IonZINC ION
Biological Unit 1 (2, 10)
No.NameCountTypeFull Name
1MES2Ligand/Ion2-(N-MORPHOLINO)-ETHANESULFONIC ACID
2SO48Ligand/IonSULFATE ION
3ZN-1Ligand/IonZINC ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:126BINDING SITE FOR RESIDUE SO4 A 256
2AC2SOFTWARETYR A:12 , ARG A:20 , TYR A:223BINDING SITE FOR RESIDUE SO4 A 257
3AC3SOFTWAREARG A:91 , LYS A:231 , HOH A:336 , HOH A:339BINDING SITE FOR RESIDUE SO4 A 258
4AC4SOFTWARELEU A:34 , GLU A:35 , ASN A:36 , HIS A:37 , ASP A:38BINDING SITE FOR RESIDUE SO4 A 259
5AC5SOFTWAREGLU A:217 , CYS A:232 , CYS A:234 , HOH A:404BINDING SITE FOR RESIDUE ZN A 260
6AC6SOFTWARETHR A:60 , LEU A:61 , LYS A:62 , PHE A:63 , ILE A:119 , TYR A:145 , PHE A:146 , MET A:147 , ARG A:148 , GLU A:150 , GLN A:151 , HOH A:264 , HOH A:267 , HOH A:305BINDING SITE FOR RESIDUE MES A 261

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1HW7)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1HW7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HW7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1HW7)

(-) Exons   (0, 0)

(no "Exon" information available for 1HW7)

(-) 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:229
 aligned with HSLO_ECOLI | P0A6Y5 from UniProtKB/Swiss-Prot  Length:292

    Alignment length:229
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223         
           HSLO_ECOLI     4 HDQLHRYLFENFAVRGELVTVSETLQQILENHDYPQPVKNVLAELLVATSLLTATLKFDGDITVQLQGDGPMNLAVINGNNNQQMRGVARVQGEIPENADLKTLVGNGYVVITITPSEGERYQGVVGLEGDTLAACLEDYFMRSEQLPTRLFIRTGDVDGKPAAGGMLLQVMPAQNAQQDDFDHLATLTETIKTEELLTLPANEVLWRLYHEEEVTVYDPQDVEFKCTC 232
               SCOP domains d1hw7a_ A: Heat shock protein 33, Hsp33                                                                                                                                                                                               SCOP domains
               CATH domains 1hw7A01 A:6-178 Hsp33 domain                                                                                                                                                 1hw7A02 A:179-228 helix hairpin bin               ------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....eeeeeeehhhhhhhhhh....hhhhhhhhhhhhhhhhhhhh.....eeeeeeeee.....eeeeeee....eeeeee.........hhhhhhh.eeeeeeeee.....eeeeee....hhhhhhhhhhhhhh...eeeeeeeeee..eeeeeeeeeee......hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhh.................. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1hw7 A   6 HDQLHRYLFENFAVRGELVTVSETLQQILENHDYPQPVKNVLAELLVATSLLTATLKFDGDITVQLQGDGPMNLAVINGNNNQQMRGVARVQGEIPENADLKTLVGNGYVVITITPSEGERYQGVVGLEGDTLAACLEDYFMRSEQLPTRLFIRTGDVDGKPAAGGMLLQVMPAQNAQQDDFDHLATLTETIKTEELLTLPANEVLWRLYHEEEVTVYDPQDVEFKCTC 234
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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 Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (2, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HW7)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A   (HSLO_ECOLI | P0A6Y5)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0051082    unfolded protein binding    Interacting selectively and non-covalently with an unfolded protein.
biological process
    GO:0006457    protein folding    The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
    GO:0009408    response to heat    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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 Related Entries

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        HSLO_ECOLI | P0A6Y5: 1i7f 1xjh 3m7m

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