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Application Area

PTH (44-68) (HUMAN)

* Please kindly note that our products are not to be used for therapeutic purposes and cannot be sold to patients.

Category

Others

Catalog number

BAT-015966

CAS number

64421-69-8

Molecular Formula

C117H199N41O41

Molecular Weight

2836.08

Specification
Reference Reading

IUPAC Name

(4S)-4-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-5-carbamimidamidopentanoyl]amino]-3-carboxypropanoyl]amino]propanoyl]amino]acetyl]amino]-3-hydroxypropanoyl]amino]-5-oxopentanoyl]amino]-5-carbamimidamidopentanoyl]pyrrolidine-2-carbonyl]amino]-5-carbamimidamidopentanoyl]amino]hexanoyl]amino]hexanoyl]amino]-5-[[(2S)-1-[[(2S)-4-amino-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-1-[[(2S)-1-(carboxymethylamino)-4-methyl-1-oxopentan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-5-oxopentanoic acid

Synonyms

Parathyroid hormone (44-68); H-Arg-Asp-Ala-Gly-Ser-Gln-Arg-Pro-Arg-Lys-Lys-Glu-Asp-Asn-Val-Leu-Val-Glu-Ser-His-Glu-Lys-Ser-Leu-Gly-OH

Appearance

White Powder

Purity

95%

Sequence

RDAGSQRPRKKEDNVLVESHEKSLG

Storage

Store at -20°C

InChI

InChI=1S/C117H199N41O41/c1-55(2)42-71(94(179)135-50-89(175)176)149-109(194)78(52-160)154-98(183)64(23-12-15-37-120)141-99(184)67(28-32-84(165)166)143-104(189)73(44-60-48-130-54-136-60)150-110(195)79(53-161)155-102(187)69(30-34-86(169)170)146-112(197)90(57(5)6)156-106(191)72(43-56(3)4)153-113(198)91(58(7)8)157-107(192)74(45-82(123)163)151-105(190)76(47-88(173)174)152-101(186)68(29-33-85(167)168)142-96(181)63(22-11-14-36-119)139-95(180)62(21-10-13-35-118)140-97(182)65(24-17-39-132-116(126)127)145-111(196)80-26-19-41-158(80)114(199)70(25-18-40-133-117(128)129)147-100(185)66(27-31-81(122)162)144-108(193)77(51-159)138-83(164)49-134-92(177)59(9)137-103(188)75(46-87(171)172)148-93(178)61(121)20-16-38-131-115(124)125/h48,54-59,61-80,90-91,159-161H,10-47,49-53,118-121H2,1-9H3,(H2,122,162)(H2,123,163)(H,130,136)(H,134,177)(H,135,179)(H,137,188)(H,138,164)(H,139,180)(H,140,182)(H,141,184)(H,142,181)(H,143,189)(H,144,193)(H,145,196)(H,146,197)(H,147,185)(H,148,178)(H,149,194)(H,150,195)(H,151,190)(H,152,186)(H,153,198)(H,154,183)(H,155,187)(H,156,191)(H,157,192)(H,165,166)(H,167,168)(H,169,170)(H,171,172)(H,173,174)(H,175,176)(H4,124,125,131)(H4,126,127,132)(H4,128,129,133)/t59-,61-,62-,63-,64-,65-,66-,67-,68-,69-,70-,71-,72-,73-,74-,75-,76-,77-,78-,79-,80-,90-,91-/m0/s1

InChI Key

FPGANZUTDSOUMV-HZUDAGDISA-N

Canonical SMILES

CC(C)CC(C(=O)NCC(=O)O)NC(=O)C(CO)NC(=O)C(CCCCN)NC(=O)C(CCC(=O)O)NC(=O)C(CC1=CN=CN1)NC(=O)C(CO)NC(=O)C(CCC(=O)O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(C(C)C)NC(=O)C(CC(=O)N)NC(=O)C(CC(=O)O)NC(=O)C(CCC(=O)O)NC(=O)C(CCCCN)NC(=O)C(CCCCN)NC(=O)C(CCCNC(=N)N)NC(=O)C2CCCN2C(=O)C(CCCNC(=N)N)NC(=O)C(CCC(=O)N)NC(=O)C(CO)NC(=O)CNC(=O)C(C)NC(=O)C(CC(=O)O)NC(=O)C(CCCNC(=N)N)N

1. A radioimmunoassay for human parathyroid hormone utilizing a goat anti-bovine PTH serum

L E Mallette Acta Endocrinol (Copenh). 1981 Feb;96(2):215-21. doi: 10.1530/acta.0.0960215.

An antiserum (NG-1) against bovine PTH (bPTH) generated in the domestic goat was characterized for use in the radioimmunoassay of PTH in human serum. When a carboxyterminal fragment of bPTH is used as radioligand, this antiserum detects only an antigenic site in the central region of the hPTH molecule. The synthetic hormone fragment, hPTH-(44-68), will displace 93% of the tracer, after which the addition of intact hPTH causes no further displacement. The assay does not detect the synthetic aminoterminal 1-34 fragment of the bovine or human hormones, nor the carboxyterminal fragment of the human hormone, hPTH-(53-84). Standard curves with bPTH-(1-84) and partially purified hPTH are not parallel, so that hPTH is used as standard. Serum from subjects with uraemia or primary hyperparathyroidism gives dilution curves parallel to that with the hPTH standard. The assay with NG-1 has been applied to the diagnosis of primary and secondary hyperparathyroidism, used to monitor the disappearance of PTH after parathyroidectomy, and for measurement of PTH in selective venous samples.

2. Elevated parathyroid hormone 44-68 in idiopathic calcium pyrophosphate dihydrate crystal deposition disease. Role of menopause and iron metabolism?

Yves Pawlotsky, Catherine Massart, Pascal Guggenbuhl, Jean-David Albert, Aleth Perdriger, Jean Meadeb, Gérard Chalès J Rheumatol. 2008 Feb;35(2):315-8. Epub 2007 Dec 1.

Objective: To examine whether idiopathic calcium pyrophosphate dihydrate (CPPD) crystal deposition disease (CDD) is related to altered parathyroid hormone (PTH) metabolism. Methods: Forty-two patients with idiopathic CPPD CDD were compared with 67 controls, 33 of whom were matched for age and sex. Results: Serum PTH 44-68 concentrations were elevated in 29% of patients and were significantly higher in the patients than in their sex- and age-matched controls (Z = -4.664, p < 0.0001). PTH 1-84 levels were normal. Serum calcium, phosphorus, and ferritin levels were normal, but were significantly higher in the patients. Serum PTH 44-68 levels correlated negatively with serum transferrin in female controls aged >or= 45 years, and with transferrin saturation in the female patients. Correlation between serum ferritin and age was linear and positive in the former subjects and quadratic in the latter. Conclusion: Elevated serum concentration of PTH mid-fragments containing the 44-68 region could explain the joint disorders associated with idiopathic CPPD CDD, as shown in genetic hemochromatosis. In female patients the elevation of PTH mid-fragments could be linked to changes in iron metabolism provoked by the menopause.

3. Elevated parathyroid hormone 44-68 and osteoarticular changes in patients with genetic hemochromatosis

Y Pawlotsky, P Le Dantec, R Moirand, P Guggenbuhl, A M Jouanolle, M Catheline, J Meadeb, P Brissot, Y Deugnier, G Chalès Arthritis Rheum. 1999 Apr;42(4):799-806. doi: 10.1002/1529-0131(199904)42:43.0.CO;2-4.

Objective: To determine whether the osteoarticular changes associated with genetic hemochromatosis could be explained by metabolic parathyroid hormone (PTH) disorders. Methods: The study involved 210 patients with liver iron overload syndromes. Osteoarticular changes were numerically scored as the number of damaged joints. PTH 1-84 and 44-68 were assayed. Results: An increase in serum PTH 44-68 levels was found in one-third of untreated patients who had no calcium or PTH 1-84 abnormalities. Serum PTH 44-68 levels correlated positively with serum ferritin levels. In multivariate analyses, the number of affected joints correlated positively with age, serum PTH 44-68 levels, and serum ferritin levels. Conclusion: Liver iron overload syndromes, especially genetic hemochromatosis, are associated with elevated circulating levels of PTH fragments containing the 44-68 region, which appears to play a role in osteoarticular changes. This increase seems to be a consequence of iron overload.