[bionet.molbio.genbank.updates] Human p53 protein intronic point mutation at the splice donor site

GenBank-Updates@genbank.bio.net (02/06/91)

LOCUS       HUMP53MUT      72 bp ds-DNA             PRI       06-FEB-1991
DEFINITION  Human p53 protein intronic point mutation at the splice donor site
            at the 3' end of exon 7. resulting in the retention of intron 7
            sequence in H647 mRNA.
ACCESSION   M55576
KEYWORDS    p53 protein.
SOURCE      Human lung cancer cell line H647, cDNA to mRNA.
  ORGANISM  Homo sapiens
            Eukaryota; Animalia; Metazoa; Chordata; Vertebrata; Mammalia;
            Theria; Eutheria; Primates; Haplorhini; Catarrhini; Hominidae.
REFERENCE   1  (bases 1 to 72)
  AUTHORS   Takahashi,T., D'Amico,D., Chiba,I., Buchhagen,D.L. and Minna,J.D.
  TITLE     Identification of intronic point mutations as an alternative
            mechanism for p53 inactivation in lung cancer
  JOURNAL   J. Clin. Invest. 86, 363-369 (1990)
  STANDARD  full staff_entry
FEATURES             Location/Qualifiers
     exon            1..5
                     /gene="p23"
                     /codon_start=1
                     /partial
     mutation        6..6
                     /note="g in wt; t in cancer cell line H647 causing a
                     readthrough of the exon/intron boundary at exon 7/intron 7
                     and ending at a premature stop codon at position 69."
                     /gene="p23"
                     /partial
BASE COUNT        9 a     33 c     15 g     15 t
ORIGIN
        1 tccaggtcag gagccacttg ccaccctgca cactggcctg ctgtgcccca ccctctgctt
       61 gccctctgac cc
//