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(-) Description

Title :  CRYSTAL STRUCTURE OF THE MUS MUSCULUS CHOLESTEROL-REGULATED START PROTEIN 4 (STARD4).
 
Authors :  M. J. Romanowski, R. E. Soccio, J. L. Breslow, S. K. Burley, New York Sgx Research Center For Structural Genomics (Nysgxrc)
Date :  17 Aug 01  (Deposition) - 10 Apr 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Start Domain, Structural Genomics, Psi, Protein Structure Initiative, New York Sgx Research Center For Structural Genomics, Nysgxrc, Lipid Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. J. Romanowski, R. E. Soccio, J. L. Breslow, S. K. Burley
Crystal Structure Of The Mus Musculus Cholesterol-Regulated Start Protein 4 (Stard4) Containing A Star-Related Lipid Transfer Domain.
Proc. Natl. Acad. Sci. Usa V. 99 6949 2002
PubMed-ID: 12011453  |  Reference-DOI: 10.1073/PNAS.052140699
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CHOLESTEROL-REGULATED START PROTEIN 4
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PGEX6P-1
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Gene: BC005642
    Mutation: YES
    Organism Common: HOUSE MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090
    Other Details: SIMILAR TO RIKEN CDNA 2310058G22 GENE (MUS MUSCULUS)
    Strain: C57BL-6J
    Synonym: STARD4

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1JSS)

(-) Sites  (0, 0)

(no "Site" information available for 1JSS)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 4)

Asymmetric Unit (2, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_STAR4_MOUSE_001 *K41ESTAR4_MOUSE  ---  ---A/BE41E
2UniProtVAR_STAR4_MOUSE_002 *V51ASTAR4_MOUSE  ---  ---A/BA51A
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (2, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_STAR4_MOUSE_001 *K41ESTAR4_MOUSE  ---  ---AE41E
2UniProtVAR_STAR4_MOUSE_002 *V51ASTAR4_MOUSE  ---  ---AA51A
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (2, 2)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_STAR4_MOUSE_001 *K41ESTAR4_MOUSE  ---  ---BE41E
2UniProtVAR_STAR4_MOUSE_002 *V51ASTAR4_MOUSE  ---  ---BA51A
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STARTPS50848 START domain profile.STAR4_MOUSE34-224
 
  2A:34-222
B:34-222
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STARTPS50848 START domain profile.STAR4_MOUSE34-224
 
  1A:34-222
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1STARTPS50848 START domain profile.STAR4_MOUSE34-224
 
  1-
B:34-222

(-) Exons   (0, 0)

(no "Exon" information available for 1JSS)

(-) 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:199
 aligned with STAR4_MOUSE | Q99JV5 from UniProtKB/Swiss-Prot  Length:224

    Alignment length:199
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213         
          STAR4_MOUSE    24 ASISTKLQNTLIQYHSIKEDEWRVAKKVKDVTVWRKPSEEFNGYLYKAQGVMDDVVNNVIDHIRPGPWRLDWDRLMTSLDVLEHFEENCCVMRYTTAGQLLNIISPREFVDFSYTVGYEEGLLSCGVSVEWSETRPEFVRGYNHPCGWFCVPLKDSPSQSLLTGYIQTDLRGMIPQSAVDTAMASTLANFYSDLRKGLR 222
               SCOP domains d1jssa_ A: Cholesterol-regulated Start protein 4 (Stard4).                                                                                                                                              SCOP domains
               CATH domains 1jssA00 A:24-222  [code=3.30.530.20, no name defined]                                                                                                                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhheeeeee..eeeeeee......eeeeeeeee..hhhhhhhhhh...hhhhhh..eeeeeeeee....eeeeeeee..........eeeeeeeeeeee..eeeeeeee..........ee.ee..eeeeeeee..eeeeeeeeeee.ee.....hhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -----------------E---------A--------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------START  PDB: A:34-222 UniProt: 34-224                                                                                                                                                          PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jss A  24 ASISTKLQNTLIQYHSIEEDEWRVAKKAKDVTVWRKPSEEFNGYLYKAQGVMDDVVNNVIDHIRPGPWRLDWDRLMTSLDVLEHFEENCCVMRYTTAGQLLNIISPREFVDFSYTVGYEEGLLSCGVSVEWSETRPEFVRGYNHPCGWFCVPLKDSPSQSLLTGYIQTDLRGMIPQSAVDTAMASTLANFYSDLRKGLR 222
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213         

Chain B from PDB  Type:PROTEIN  Length:199
 aligned with STAR4_MOUSE | Q99JV5 from UniProtKB/Swiss-Prot  Length:224

    Alignment length:199
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213         
          STAR4_MOUSE    24 ASISTKLQNTLIQYHSIKEDEWRVAKKVKDVTVWRKPSEEFNGYLYKAQGVMDDVVNNVIDHIRPGPWRLDWDRLMTSLDVLEHFEENCCVMRYTTAGQLLNIISPREFVDFSYTVGYEEGLLSCGVSVEWSETRPEFVRGYNHPCGWFCVPLKDSPSQSLLTGYIQTDLRGMIPQSAVDTAMASTLANFYSDLRKGLR 222
               SCOP domains d1jssb_ B: Cholesterol-regulated Start protein 4 (Stard4).                                                                                                                                              SCOP domains
               CATH domains 1jssB00 B:24-222  [code=3.30.530.20, no name defined]                                                                                                                                                   CATH domains
           Pfam domains (1) -START-1jssB01 B:25-222                                                                                                                                                                                 Pfam domains (1)
           Pfam domains (2) -START-1jssB02 B:25-222                                                                                                                                                                                 Pfam domains (2)
         Sec.struct. author .hhhhhhhhhhhhhh.......eeeeee..eeeeeee......eeeeeeeee..hhhhhhhhhh...hhhhhh..eeeeeeeeeee..eeeeeeee..........eeeeeeeeeeee..eeeeeeee..........ee.ee..eeeeeee.......eeeeeee.ee.....hhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -----------------E---------A--------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------START  PDB: B:34-222 UniProt: 34-224                                                                                                                                                          PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jss B  24 ASISTKLQNTLIQYHSIEEDEWRVAKKAKDVTVWRKPSEEFNGYLYKAQGVMDDVVNNVIDHIRPGPWRLDWDRLMTSLDVLEHFEENCCVMRYTTAGQLLNIISPREFVDFSYTVGYEEGLLSCGVSVEWSETRPEFVRGYNHPCGWFCVPLKDSPSQSLLTGYIQTDLRGMIPQSAVDTAMASTLANFYSDLRKGLR 222
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213         

   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, 2)

Asymmetric Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (STAR4_MOUSE | Q99JV5)
molecular function
    GO:0015485    cholesterol binding    Interacting selectively and non-covalently with cholesterol (cholest-5-en-3-beta-ol); the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
    GO:0008289    lipid binding    Interacting selectively and non-covalently with a lipid.
biological process
    GO:0034435    cholesterol esterification    A lipid modification process in which a sterol ester is formed by the combination of a carboxylic acid (often a fatty acid) and cholesterol. In the blood this process is associated with the conversion of free cholesterol into cholesteryl ester, which is then sequestered into the core of a lipoprotein particle.
    GO:0006869    lipid transport    The directed movement of lipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Lipids are compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent.
    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:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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