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Products of two common alleles at the locus for human placental alkaline phosphatase differ by seven amino acids.
Amino-terminal amino acid sequences (42 residues) were determined for the products of the three common alleles at the human placental alkaline phosphatase [orthophosphoric-monoester phosphohydrolase (alkaline optimum), EC 3.1.3.1] gene locus. The sequences differ at position 3, which is proline in types 1 and 2 but is leucine in type 3. cDNA libraries were constructed in phage lambda gt11 and used to isolate clones covering the coding regions of types 1 and 3 cDNAs. Comparison of the deduced amino acid sequences of the types 1 and 3 proteins showed 7 differences out of 513 amino acids, each due to a single base substitution. cDNA sequence comparisons showed three silent substitutions in the coding regions and three base differences in the greater than 1 kilobase pairs of 3' untranslated sequences.
PMID: 3461452 [PubMed - indexed for MEDLINE]
PMCID: PMC386335
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Cited by 22 PubMed Central articles
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[Am J Hum Genet. 1987]
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[Proc Natl Acad Sci U S A. 1986]
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