磷酸吡哆醛

Pyridoxal phosphate 是维生素 B6 的活性形式,可以抑制 reverse transcriptases 的活性,用于迟发性运动障碍症的研究。

信号通路 >> 抗感染 >> 逆转录酶

研究领域 >> 神经疾病

天然产物 >> 其他

Human Endogenous Metabolite

吡哆醛5'-磷酸盐严重抑制DNA聚合酶和RNase H.磷酸吡哆醛导致DNA合成速率的模拟降低[1]。与磷酸吡哆醛的缀合完全抑制NEIL2。在广泛的酶/底物比例范围内,吡哆醛磷酸盐缀合的NEIL2显示出比完整酶低得多的活性。磷酸吡哆醛结合后,NEIL2结合THF配体的能力完全丧失[2]。

[1]. Modak MJ. Pyridoxal 5' phosphate: a selective inhibitor of oncornaviral DNA polymerases. Biochem Biophys Res Commun. 1976 Jul 12;71(1):180-7.

[2]. Grin IR, et al. Inactivation of NEIL2 DNA glycosylase by pyridoxal phosphate reveals a loop important for substrate binding. Biochem Biophys Res Commun. 2010 Mar 26;394(1):100-5.

3-甲基腺嘌呤 | 氢化可的松 | N-乙酰半胱氨酸 | 维生素A酸； 视黄酸 | 褪黑素 | 地诺前列酮 | 烟酰胺 | 5'-三磷酸腺苷 | 对乙酰氨基苯酚 | 列腺素 E1 | 去氢表雄酮 | 肾上腺酮 | 孕酮； 黄体素； 黄体酮 | 二十二碳六烯酸 | 辅酶I

MOLECULAR FORMULA :

C8-H10-N-O6-P

MOLECULAR WEIGHT :

247.16

WISWESSER LINE NOTATION :

T6NJ B1 CQ DVH E1OPQQO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5900 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

850 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

4640 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

870 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

530 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intramuscular

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1150 mg/kg

TOXIC EFFECTS :

Behavioral - antipsychotic

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

>3 gm/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Subcutaneous

SPECIES OBSERVED :

Mammal - species unspecified

DOSE/DURATION :

550 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :

DNA damage

TEST SYSTEM :

Bacteria - Escherichia coli

DOSE/DURATION :

50 umol/L

REFERENCE :

FEPRA7 Federation Proceedings, Federation of American Societies for Experimental Biology. (Bethesda, MD) V.1-46, 1942-87. Volume(issue)/page/year: 34,530,1975 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3949 No. of Facilities: 577 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 5538 (estimated) No. of Female Employees: 3978 (estimated)