NameAlkaline phosphatase, placental type
Synonyms
  • 3.1.3.1
  • Alkaline phosphatase Regan isozyme
  • Placental alkaline phosphatase 1
  • PLAP
  • PLAP-1
Gene NameALPP
OrganismHuman
Amino acid sequence
>lcl|BSEQ0008199|Alkaline phosphatase, placental type
MLGPCMLLLLLLLGLRLQLSLGIIPVEEENPDFWNREAAEALGAAKKLQPAQTAAKNLII
FLGDGMGVSTVTAARILKGQKKDKLGPEIPLAMDRFPYVALSKTYNVDKHVPDSGATATA
YLCGVKGNFQTIGLSAAARFNQCNTTRGNEVISVMNRAKKAGKSVGVVTTTRVQHASPAG
TYAHTVNRNWYSDADVPASARQEGCQDIATQLISNMDIDVILGGGRKYMFRMGTPDPEYP
DDYSQGGTRLDGKNLVQEWLAKRQGARYVWNRTELMQASLDPSVTHLMGLFEPGDMKYEI
HRDSTLDPSLMEMTEAALRLLSRNPRGFFLFVEGGRIDHGHHESRAYRALTETIMFDDAI
ERAGQLTSEEDTLSLVTADHSHVFSFGGYPLRGSSIFGLAPGKARDRKAYTVLLYGNGPG
YVLKDGARPDVTESESGSPEYRQQSAVPLDEETHAGEDVAVFARGPQAHLVHGVQEQTFI
AHVMAFAACLEPYTACDLAPPAGTTDAAHPGRSVVPALLPLLAGTLLLLETATAP
Number of residues535
Molecular Weight57953.31
Theoretical pI6.24
GO Classification
Functions
  • zinc ion binding
  • magnesium ion binding
  • alkaline phosphatase activity
Processes
  • dephosphorylation
Components
  • plasma membrane
  • cell surface
  • integral component of membrane
  • anchored component of membrane
General FunctionZinc ion binding
Specific FunctionNot Available
Pfam Domain Function
Transmembrane Regions513-529
GenBank Protein ID178474
UniProtKB IDP05187
UniProtKB Entry NamePPB1_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0013009|Alkaline phosphatase, placental type (ALPP)
ATGCTGGGGCCCTGCATGCTGCTGCTGCTGCTGCTGCTGGGCCTGAGGCTACAGCTCTCC
CTGGGCATCATCCCAGTTGAGGAGGAGAACCCGGACTTCTGGAACCGCGAGGCAGCCGAG
GCCCTGGGTGCCGCCAAGAAGCTGCAGCCTGCACAGACAGCCGCCAAGAACCTCATCATC
TTCCTGGGCGATGGGATGGGGGTGTCTACGGTGACAGCTGCCAGGATCCTAAAAGGGCAG
AAGAAGGACAAACTGGGGCCTGAGATACCCCTGGCCATGGACCGCTTCCCATATGTGGCT
CTGTCCAAGACATACAATGTAGACAAACATGTGCCAGACAGTGGAGCCACAGCCACGGCC
TACCTGTGCGGGGTCAAGGGCAACTTCCAGACCATTGGCTTGAGTGCAGCCGCCCGCTTT
AACCAGTGCAACACGACACGCGGCAACGAGGTCATCTCCGTGATGAATCGGGCCAAGAAA
GCAGGGAAGTCAGTGGGAGTGGTAACCACCACACGAGTGCAGCACGCCTCGCCAGCCGGC
ACCTACGCCCACACGGTGAACCGCAACTGGTACTCGGACGCCGACGTGCCTGCCTCCGCC
CGCCAGGAGGGGTGCCAGGACATCGCTACGCAGCTCATCTCCAACATGGACATTGACGTG
ATCCTAGGTGGAGGCCGAAAGTACATGTTTCGCATGGGAACCCCAGACCCTGAGTACCCA
GATGACTACAGCCAAGGTGGGACCAGGCTGGACGGGAAGAATCTGGTGCAGGAATGGCTG
GCGAAGCGCCAGGGTGCCCGGTATGTGTGGAACCGCACTGAGCTCATGCAGGCTTCCCTG
GACCCGTCTGTGACCCATCTCATGGGTCTCTTTGAGCCTGGAGACATGAAATACGAGATC
CACCGAGACTCCACACTGGACCCCTCCCTGATGGAGATGACAGAGGCTGCCCTGCGCCTG
CTGAGCAGGAACCCCCGCGGCTTCTTCCTCTTCGTGGAGGGTGGTCGCATCGACCATGGT
CATCATGAAAGCAGGGCTTACCGGGCACTGACTGAGACGATCATGTTCGACGACGCCATT
GAGAGGGCGGGCCAGCTCACCAGCGAGGAGGACACGCTGAGCCTCGTCACTGCCGACCAC
TCCCACGTCTTCTCCTTCGGAGGCTACCCCCTGCGAGGGAGCTCCATCTTCGGGCTGGCC
CCTGGCAAGGCCCGGGACAGGAAGGCCTACACGGTCCTCCTATACGGAAACGGTCCAGGC
TATGTGCTCAAGGACGGCGCCCGGCCGGATGTTACCGAGAGCGAGAGCGGGAGCCCCGAG
TATCGGCAGCAGTCAGCAGTGCCCCTGGACGAAGAGACCCACGCAGGCGAGGACGTGGCG
GTGTTCGCGCGCGGCCCGCAGGCGCACCTGGTTCACGGCGTGCAGGAGCAGACCTTCATA
GCGCACGTCATGGCCTTCGCCGCCTGCCTGGAGCCCTACACCGCCTGCGACCTGGCGCCC
CCCGCCGGCACCACCGACGCCGCGCACCCGGGGCGGTCCGTGGTCCCCGCGTTGCTTCCT
CTGCTGGCCGGGACCCTGCTGCTGCTGGAGACGGCCACTGCTCCCTGA
GenBank Gene IDM13077
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:439
Chromosome Location2
Locus2q37
References
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  2. Millan JL: Molecular cloning and sequence analysis of human placental alkaline phosphatase. J Biol Chem. 1986 Mar 5;261(7):3112-5. 3512548
  3. Henthorn PS, Knoll BJ, Raducha M, Rothblum KN, Slaughter C, Weiss M, Lafferty MA, Fischer T, Harris H: Products of two common alleles at the locus for human placental alkaline phosphatase differ by seven amino acids. Proc Natl Acad Sci U S A. 1986 Aug;83(15):5597-601. 3461452
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  6. Kam W, Clauser E, Kim YS, Kan YW, Rutter WJ: Cloning, sequencing, and chromosomal localization of human term placental alkaline phosphatase cDNA. Proc Natl Acad Sci U S A. 1985 Dec;82(24):8715-9. 3001717
  7. Ezra E, Blacher R, Udenfriend S: Purification and partial sequencing of human placental alkaline phosphatase. Biochem Biophys Res Commun. 1983 Nov 15;116(3):1076-83. 6651840
  8. Ovitt CE, Strauss AW, Alpers DH, Chou JY, Boime I: Expression of different-sized placental alkaline phosphatase mRNAs in placenta and choriocarcinoma cells. Proc Natl Acad Sci U S A. 1986 Jun;83(11):3781-5. 3459156
  9. Micanovic R, Bailey CA, Brink L, Gerber L, Pan YC, Hulmes JD, Udenfriend S: Aspartic acid-484 of nascent placental alkaline phosphatase condenses with a phosphatidylinositol glycan to become the carboxyl terminus of the mature enzyme. Proc Natl Acad Sci U S A. 1988 Mar;85(5):1398-402. 3422741
  10. Micanovic R, Gerber LD, Berger J, Kodukula K, Udenfriend S: Selectivity of the cleavage/attachment site of phosphatidylinositol-glycan-anchored membrane proteins determined by site-specific mutagenesis at Asp-484 of placental alkaline phosphatase. Proc Natl Acad Sci U S A. 1990 Jan;87(1):157-61. 2153284
  11. Lowe ME: Site-specific mutations in the COOH-terminus of placental alkaline phosphatase: a single amino acid change converts a phosphatidylinositol-glycan-anchored protein to a secreted protein. J Cell Biol. 1992 Feb;116(3):799-807. 1730777
  12. Kozlenkov A, Manes T, Hoylaerts MF, Millan JL: Function assignment to conserved residues in mammalian alkaline phosphatases. J Biol Chem. 2002 Jun 21;277(25):22992-9. Epub 2002 Apr 5. 11937510
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  17. Stec B, Cheltsov A, Millan JL: Refined structures of placental alkaline phosphatase show a consistent pattern of interactions at the peripheral site. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Aug 1;66(Pt 8):866-70. doi: 10.1107/S1744309110019767. Epub 2010 Jul 27. 20693656