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Cited by 369

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The Amino Acid Sequence of Human Plasma Prealbumin

Open access
Kanda, Yoshikazu, Goodman, DeWitt S., Canfield, Robert E., Morgan, Francis J.·1974·Journal of Biological Chemistry

Abstract

The complete amino acid sequence of plasma prealbumin has been determined. Prealbumin forms a stable complex with plasma retinol-binding protein and plays an important role in vitamin A transport. Prealbumin also binds thyroxine, and is involved in transport of thyroid hormone. The prealbumin molecule is a stable tetramer, composed of 4 identical subunits, with over-all molecular weight of 54,980. Each prealbumin subunit contains 127 amino acids, including 1 cysteine (position 10), 1 methionine (position 13), 4 arginine, and 8 lysine residues. Thirteen tryptic peptides were aligned after studies which included the tryptic digestion of maleylated, reduced, and carboxymethylated prealbumin (to yield 5 peptides), and subsequent tryptic digestion of these peptides after removal of the maleyl groups. The sequence of each subunit is: NH2-Gly-Pro-Thr-Gly-Thr-Gly-Glu-Ser-Lys-Cys-Pro-Leu-Met-Val-Lys-Val-Leu-Asp-Ala-Val-Arg-Gly-Ser-Pro-Ala-Ile-Asn-Val-Ala-Val-His-Val-Phe-Arg-Lys-Ala-Ala-Asp-Asp-Thr-Trp-Glu-Pro-Phe-Ala-Ser-Gly-Lys-Thr-Ser-Glu-Ser-Gly-Glu-Leu-His-Gly-Leu-Thr-Thr-Glx-Glx-Gln-Phe-Val-Glu-Gly-Ile-Tyr-Lys-Val-Glu-Ile-Asp-Thr-Lys-Ser-Tyr-Trp-Lys-Ala-Leu-Gly-Ile-Ser-Pro-Phe-His-Glu-His-Ala-Glu-Val-Val-Phe-Thr-Ala-Asn-Asp-Ser-Gly-Pro-Arg-Arg-Tyr-Thr-Ile-Ala-Ala-Leu-Leu-Ser-Pro-Tyr-Ser-Tyr-Ser-Thr-Thr-Ala-Val-Val-Thr-Asn-Pro-Lys-Glu-COOH.

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Metadata

Authors
Kanda, Y., Goodman, D. S., Canfield, R. E., & Morgan, F. J.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1974-11
Volume
249
Issue
21
Pages
6796-6805
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1518030473
Cited by
369
References
2
FWCI
3.45
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The Amino Acid Sequence of Human Plasma Prealbumin. https://app.cochat.ai/papers/10.1016/s0021-9258(19)42128-5
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Kanda, Y., Goodman, D. S., Canfield, R. E., & Morgan, F. J. (1974). The Amino Acid Sequence of Human Plasma Prealbumin. Journal of Biological Chemistry. https://doi.org/10.1016/s0021-9258(19)42128-5

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