xP1 and xP4. P-domain peptides expressed in Xenopus laevis stomach mucosa
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xP1 and xP4. P-domain peptides expressed in Xenopus laevis stomach mucosa. / Hauser, F; Hoffmann, W.
In: The Journal of Biological Chemistry, Vol. 266, No. 31, 05.11.1991, p. 21306-9.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - xP1 and xP4. P-domain peptides expressed in Xenopus laevis stomach mucosa
AU - Hauser, F
AU - Hoffmann, W
PY - 1991/11/5
Y1 - 1991/11/5
N2 - Two different precursors for secretory polypeptides from the stomach of Xenopus laevis have been characterized by cDNA cloning. Both mature polypeptides are potential candidates for gastrointestinal growth factors. One, xP1, is the X. laevis homologue of the pS2 gene product consisting only of a single P-domain, whereas the second, xP4, is a novel polypeptide formed by four P-domains arranged in tandem. Northern analysis detected both transcripts in the stomach but not in the skin or the brain. In situ hybridizations localized the expression of both precursors in surface mucous cells of the gastric mucosa. With an antibody generated against the deduced C-terminal end of xP4, the mature polypeptide was investigated by Western analysis revealing N-glycosylation of xP4.
AB - Two different precursors for secretory polypeptides from the stomach of Xenopus laevis have been characterized by cDNA cloning. Both mature polypeptides are potential candidates for gastrointestinal growth factors. One, xP1, is the X. laevis homologue of the pS2 gene product consisting only of a single P-domain, whereas the second, xP4, is a novel polypeptide formed by four P-domains arranged in tandem. Northern analysis detected both transcripts in the stomach but not in the skin or the brain. In situ hybridizations localized the expression of both precursors in surface mucous cells of the gastric mucosa. With an antibody generated against the deduced C-terminal end of xP4, the mature polypeptide was investigated by Western analysis revealing N-glycosylation of xP4.
KW - Amino Acid Sequence
KW - Animals
KW - Base Sequence
KW - Blotting, Northern
KW - Cloning, Molecular
KW - DNA/genetics
KW - Gastric Mucosa/physiology
KW - Gene Expression
KW - Growth Substances/genetics
KW - Intercellular Signaling Peptides and Proteins
KW - Molecular Sequence Data
KW - Mucins/genetics
KW - Nucleic Acid Hybridization
KW - Oligonucleotides/chemistry
KW - RNA, Messenger/genetics
KW - Sequence Alignment
KW - Xenopus Proteins
KW - Xenopus laevis/genetics
M3 - Journal article
C2 - 1939167
VL - 266
SP - 21306
EP - 21309
JO - Journal of Biological Chemistry
JF - Journal of Biological Chemistry
SN - 0021-9258
IS - 31
ER -
ID: 347886162