Homework #4

--Retrieving DNA sequence/GenBank--


1.

Sho-Hua cloned a gene in the lab. The DNA sequence is listed here:

A A T T A A T T C T C T C A A T C A A A T C C A A T T T T C T C C C T A T A A A A A C C C T A A G G T C C T A T A G T G T T C T A T A T C C A A C A C T A G C T C C T A C T C C C T A A A G C A T T T A T T A T A T C T T C C C C T G T G T T C T A T A T C C A A C A C T A G C T C C T A C T C C C T A A A G C A T T T A T T A T A T C T T C C C C T A G C T A G A T A C T T C A T T C C A C A A A T A G T T T G C A G C T T T T T C T T T T C C T C T A A A A C A A T G G A A A T A G C T G G G A A A A T T G C A T G C T T T G T G G T A T T G T G C A T G G T G G T A G C T G C A C C C T G C G C A G A A G C C A T A A C C T G T G G C C A G G T T A C G T C G A A T T T G G C A C C T T G T C T T G C T T A T C T T A G A A A C A C G G G G C C T C T G G G A C G T T G T T G C G G T G G C G T T A A G G C T C T G G T G A A T T C T G C A A G G A C C A C A G A A G A T C G T C A A A T T G C A T G C A C T T G C C T G A A A T C A G C T G C A G G T G C T A T T T C T G G A A T C A A T T T G G G C A A A G C T G C T G G T C T C C C T A G T A C T T G T G G T G T C A A T A T T C C T T A C A A G A T C A G C C C T T C C A C T G A C T G C T C C A A G T A C C T C A C T T T T T T T C T C T C T C A T G C T A T T C T T A T C C T T A T A T T C T A T C T G C T T C A T T T T C G C T T A T C T T T T A A A T T T T T T A T T C G G A A T C T T T A T A C C A

Please help him to identify the gene and its protein sequence.

Use NCBI-BLAST to find out the results.

LOCUS: NTLTP1 312 bp DNA PLN 18-NOV-1996
DEFINITION: N.tabacum ltp1 gene for lipid transferase.
ACCESSION: X62395
NID: g1679608
KEYWORDS: lipid transferase;Ltp1 gene;non-specific lipid transferase
SOURCE: common tobacco
ORGANISM: Nicotiana tabacum
Eukaryotae;mitochondrial eukaryotes;Viridiplantae;
Charophyta/Embryophyta group;Embryophyta;Magnoliophyta;
Magnoliopsida;Solananae;Solanales;Solanaceae;Nicotiana

REFERENCE1 (bases 1 to 3112)
  AUTHORS Kuhlemeier,C.
  TITLE Direct Submission
  JOURNAL Submitted(19-DEC-1991)C.Kuhlemeier, Institute of 
                       Plant Physiology, Altenbergrain 21, Ch-3013 Bern, 
                       SWITZERLAND
REFERENCE2(bases 1038 to 3112)
  AUTHORS Fleming,A.J.,Mandel,T.,Hofmann,S.,Sterk,P.,
                      de Vries,S.C. and Kuhlemeier,C.
  TITLE Expression pattern of a tobacco lipid transfer 
                      protein gene within the shoot apex
  JOURNAL Plant J. 2 (6), 855-862 (1992)
REFERENCE3 (bases 1 to 3112)
  AUTHORS Caderas,D.
  TITLE Direct Submission
  JOURNAL Submitted(18-NOV-1996)D.Caderas, Institute of
                       Plant Physiology,University of Berne,
                       Altenbergrain 21, CH-3013 Berne, SWITZERLAND
REFERENCE4 (bases 1 to 3112)
  AUTHORS Canevascini,S.,Caderas,D.,Mandel,T.,Fleming,A.J., 
                      Dupuis,I. and Kuhlemeier,C.
  TITLE Tissue-specific expression and promoter analysis of 
                      the tobacco Itp1 gene
  JOURNAL Plant Physiol. 112 (2), 513-524 (1996)
FEATURES:Location/Qualifiers
    source  1..3112
            /organism="Nicotiana tabacum"
            /cultivar="Samsun"
            /db_xref="taxon:4097"
            /dev_stage="leaf"
            /clone_lib="lambda EMBL3"
    sig_peptide   1347..1415
                  /gene="Ltp1"
    CDS join(1347..1681,2662..2671)
        /gene="Ltp1"
        /codon_start=1
        /product="lipid transferase"
        /db_xref="PID:g19883"
        /translation="MEIAGKIACFVVLCMVVAAPCAEAITCGQVTSNLAPCLA
        YLRNTGPLGRCCGGVKALVNSARTTEDRQIACTCLKSAA
        GAISGINLGKAAGLPSTCGVNIPYKISPSTDCSKVQ"
    prim_transcript <1347..>2671
                    /gene="Ltp1"
    exon  <1347..1681
          /gene="Ltp1"
          /number=1
    gene  1347..2671
          /gene="Ltp1"
    mat_peptide  join(1416..1681,2662,1680..1681,2662..2668)
                /gene="Ltp1"
                /product="lipid transferase"
    intron  1682..2661
            /gene="Ltp1"
            /number=1
    exon  2662..>2671
          /gene="Ltp1"
          /number=2  PLN       18-NOV-1996

2.

How many nucleotide and protein sequence of Lycopersicon esculentum were know? Please find its class II small heat shock protein mRNA, complete cds.
Use NCBI-Anotomy to find 817 nts. and 1092 proteins known for Lycopersicon esculentum (common tomato) till 12.8,1997.

LOCUS: LEU72396 738 bp-mRNA PLN 14-JAN-1997
DEFINITION: Lycopersicon esculentum class II small
heat shock protein Le-HSP17.6 mRNA, complete cds.
ACCESSION: U72396
NID: g1773290
SOURCE: tomato.
ORGANISM: Lycopersicon esculentum
Eukaryotae; mitochondrial eukaryotes; Viridiplantae;
Charophyta/Embryophyta group; Embryophyta; Magnoliophyta;
Magnoliopsida; Solananae; Solanales; Solanaceae; Solanum clade;
Lycopersicon.


REFERENCE1  (bases 1 to 738)
  AUTHORS Kadyrzhanova,D.K.,Vlachonasios,K.E.,Ververidis,P.
              and Dilley,D.R.
  TITLE A heat-treatment chilling tolerance related cDNA from 
               tomato fruit encoding a small heat-shock protein class II
  JOURNAL Unpublished (1996)
REFERENCE2  (bases 1 to 738)
  AUTHORS Kadyrzhanova,D.K.,Vlachonasios,K.E.,Ververidis,P.
              and Dilley,D.R.
  TITLE Direct Submission
  JOURNAL Submitted(24-SEP-1996)Horticulture,
                 Michigan State University,Plant and Soil Science Building
                 East Lansing, MI 48824-1325, USA
FEATURES: Location/Qualifiers
   source   1..738
            /organism="Lycopersicon esculentum"
            /cultivar="Mountain Springs"
            /db_xref="taxon:4081"
            /clone_lib="tomato heat-shock/chilling tolerance lambda
            gt11 library of D.R. Dilley"
            /dev_stage="mature green fruit"
            /tissue_type="pericarp"
            /clone="pHCT1"
   CDS   108..584
         /note="heat treatment/chilling tolerance related protein
          from tomato fruit"
         /codon_start=1
         /product="class II small heat shock protein Le-HSP17.6"
         /db_xref="PID:g1773291"
         /translation="MDLRLLGIDNTPLFHTLHHMMEAAGEDSDKSVNAPSRNYVRDAK
           AMAATPADVKEYPNSYVFVVDMPGLKSGDIKVQVEEDNVLLISGERKREEEKEGAKFI
           RMERRVGKFMRKFSLPENANTDAISAVCQDGVLTVTVQKLPPPEPKKPKTIEVKVA"
   polyA_signal    629..634
BASE COUNT:    229 a    117 c    183 g    209 t
ORIGIN:      
    1 tacggctgcg agaagacgac agaaggggac tgcaattaca aatcaaacca aaattgacaa
   61 atttcacgca caaaatcaca atatccaaaa atttctcaat actgaaaatg gatttgaggt
  121 tgttgggtat cgataacaca ccactcttcc acactctcca ccatatgatg gaagctgccg
  181 gtgaagattc cgacaagtct gtcaatgcac catcaaggaa ctatgttcgt gatgctaagg
  241 ccatggctgc tacaccagcg gatgtgaagg agtatcctaa ttcgtatgtt tttgttgtgg
  301 atatgccagg gttgaaatct ggagatatca aagtgcaggt ggaagaagac aatgtgctgt
  361 tgattagtgg tgaaaggaag agggaagaag agaaagaagg tgcaaagttt attaggatgg
  421 agagaagggt tgggaaattc atgaggaagt ttagtctgcc agagaatgcg aatactgatg
  481 caatttctgc agtttgtcaa gatggagttc tgactgttac tgttcagaaa ttgcctcctc
  541 ctgagccaaa gaaacccaaa acaattgagg tgaaagttgc ttgaagttat ggactctgtt
  601 ttgatggttt gtggtatgat gtagtagaaa taaagttgta ggagtagtga acttttcctt
  661 tcatctttct gctatgtttt cacgtctgtt tgaatgttac aatagccatg ggtattgttt
  721 gttttgatgc caaaaaaa

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