نتایج جستجو برای: تری پپتید ile gln pro
تعداد نتایج: 155173 فیلتر نتایج به سال:
Arginine vasotocin (AVT) was isolated from extracts of sea lamprey pituitary glands (Petromyzon marinus). The amino acid sequence Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Arg-Gly-NH2 is identical to the molecule isolated from teleosts and tetrapods. The total yield was estimated to be 9.6 pmol per gland. No evidence could be found for the existence of a second neurohypophyseal nonapeptide in the lamprey pit...
Amino acid sequence of the COOH-terminal portion of the arginine-lysine-rich histone of calf thymus.
1. Highly purified arginineand lysine-rich histone was maleylated and then hydrolyzed with trypsin. A large amount of precipitate approximating 35% of the histone appeared during the demaleylation procedure. The precipitate was separated into four fractions on a Sephadex G-50 column and one fraction, tryptic peptide II from the maleylated histone, was found to be the COOH-terminal portion of th...
1. Highly purified arginineand lysine-rich histone was maleylated and then hydrolyzed with trypsin. A large amount of precipitate approximating 35% of the histone appeared during the demaleylation procedure. The precipitate was separated into four fractions on a Sephadex G-50 column and one fraction, tryptic peptide II from the maleylated histone, was found to be the COOH-terminal portion of th...
An antibacterial protein (about 12 kDa) was isolated from human amniotic fluid through dialysis, ultrafiltration and C18 reversed-phase HPLC steps. Automated Edman degradation showed that the N-terminal sequence of the antibacterial protein was NH(2)-Ile-Gln-Arg-Thr-Pro-Lys-Ile-Gln-Val-Tyr-Ser-Arg-His-Pro-Ala-Glu-Asn-Gly-. The N-terminal sequence of the antibacterial protein was found to be ide...
The complete amino acid sequence of the mating pheromone Er-1 purified from Euplotes raikovi homozygous for mat-1 was determined by automated Edman degradation of the whole protein and peptides generated by cyanogen bromide, trypsin, Staphylococcus aureus V8 protease, and chymotrypsin. The proposed sequence is: Asp-Ala-Cys-Glu-Gln-Ala-Ala-Ile-Gln-Cys-Val-Glu-Ser-Ala-Cys-Glu-Ser-Leu- Cys-Thr-Glu...
Studies are reported on the primary structure of human retinol-binding protein (RBP), the specific plasma transport protein for vitamin A. The protein consists of a single polypeptide chain of 186-187 amino acids. RBP was cleaved by cyanogen bromide into five fragments, CB-I (27 residues), CB-11 (25 residues), CB-III (20 residues), CB-IV (15 residues), and CB-V (99-100 residues). The cyanogen b...
Insulin was isolated from an extract of the pancreas of a urodele, the three-toed amphiuma (Amphiuma tridactylum), and its primary structure established as Ala-Arg-Gly-Ile-Val-Glu-Gln-Cys-Cys-His10-Asn-Thr-Cys- Ser-Leu-Asn-Gln-Leu-Glu-Asn20-Tyr-Cys-Asn for the A-chain and Ile-Thr-Asn-Gln-Tyr-Leu-Cys-Gly-Ser-His10-Leu-Val-Glu-Ala- Leu-Tyr-Leu-Val-Cys-Gly20-Asp-Arg-Gly-Phe-Phe-Tyr-Ser-Pro-Lys for...
Myotropic effects of new proctolin analogues modified in the position 5 of peptide chain in insects.
To explain the role of the Thr5 residue of proctolin (Arg-Tyr-Leu-Pro-Thr) in the myotropic activity of this insect neuropeptide, we synthesized two groups of its analogues: 1) Arg-Tyr-Leu-Pro-X-OH with X = Val (1), D-Val (2), Ile (3), D-Ile (4), Ala (5), D-Ala (6), Asn (7), Gln (8), Ser (9), Pro (10), Phe (11), Asp (12), Glu (13), Arg (14), D-Arg (15), Lys (16) and Gly (17) and 2) Arg-Tyr-Leu-...
This study aimed to valorize brewer's spent grain (BSG) from a side-stream into protein ingredients suitable for human consumption. The impact of protease treatments was studied solubilizing BSG proteins. Treatment with Protamex or simultaneous co-incubation and Flavourzyme solubilized up 60% the total in BSG, whereas increased availability hydrophobic amino acids (Val, Phe, Ala, Leu, Ile) extr...
A highly potent heart stimulant, anthopleurin A, from Anthopleura xanthogrammica was shown to exist as a single polypeptide chain consisting of 49 amino acid residues. The sequence of the peptide was shown to be: Gly-Val-Ser-Cys-Leu-Cys-Asp-Ser-Asp-Gly-Pro-Ser-Val-Arg-Gly-Asn-Thr-Leu-Ser-Gly-Thr-Leu-Trp-Leu-Tyr-Pro-Ser-Gly-Cys-Pro-Ser-Gly-Trp-His-Asn-Cys-Lys-Ala-His-Gly-Pro-Thr-Ile-Gly-Trp-Cys-...
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