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Merck
모든 사진(1)

주요 문서

A9378

Sigma-Aldrich

L-Amino Acid Oxidase from Crotalus adamanteus

Type IV, ≥4.0 units/mg protein, aqueous suspension

동의어(들):

L-AAO, L-Amino acid:oxygen oxidoreductase (deaminating)

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크기 선택

2 MG
₩355,859
5 MG
₩713,342
10 MG
₩1,246,217

₩355,859


구입 가능 여부는 고객센터에 문의하십시오.


크기 선택

보기 변경
2 MG
₩355,859
5 MG
₩713,342
10 MG
₩1,246,217

About This Item

CAS Number:
효소 위원회 번호:
EC Number:
MDL number:
UNSPSC 코드:
12352204
NACRES:
NA.54

₩355,859


구입 가능 여부는 고객센터에 문의하십시오.

유형

Type IV

양식

aqueous suspension

특이 활성도

≥4.0 units/mg protein

분자량

~130 kDa

포함

toluene as preservative

농도

≥5.0 mg/mL

solubility

H2O: soluble 1.0 mg/mL, clear

저장 온도

2-8°C

애플리케이션

L-amino acid oxidase (LAAO) is used to convert L-amino acids to their corresponding α-keto acids. L-amino acid oxidase, from Sigma, has been used in leucine aminopeptidase (LAP) activity assays.[1] 35S dimethylsulfoniopropionate (DMSP) has been synthesized chemically from 35S L-methionine using LAAO from Sigma to form 35S 3-methiolpropionate.[2]

생화학적/생리학적 작용

L-Amino acid oxidase is a flavoprotein with a molecular weight of 130 kDa. It consists of two different subunits of approximately 70,000 Da. Each molecule of holoenzyme has two FAD molecules. It is a glycoprotein containing about 2-5% carbohydrate, including sialic acid. Optimum pH is approximately 7.5.The enzyme may be reversibly inactivated by incubation in phosphate buffer, pH 7.5 at 38 °C. L-amino acid oxidase is involved in various metabolic pathways such as alanine and aspartate metabolism, methionine metabolism, valine, leucine and isoleucine degradation, tyrosine metabolism, phenylalanine metabolism, tryptophan metabolism, phenylalanine, tyrosine and tryptophan biosynthesis, and alkaloid biosynthesis.[3] It occurs in many snake venoms apart from microorganisms and animal tissue, especially in kidney and liver.

포장

Package size based on protein content

단위 정의

One Unit oxidizes one micromole of L-leucine per minute at 25 °C, pH 7.6

제조 메모

Dissolves in water at 1 mg/mL concentration to form a clear solution.

픽토그램

Skull and crossbones

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 2 Dermal - Acute Tox. 2 Oral

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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문서 라이브러리 방문

Identification and enumeration of bacteria assimilating dimethylsulfoniopropionate (DMSP) in the North Atlantic and Gulf of Mexico
Malmstrom RR, et al.
Limnology and Oceanography, 49(2), 597-606 (2004)
Stefania Digiovanni et al.
Scientific reports, 10(1), 10135-10135 (2020-06-25)
Reactive Intermediate Deaminase (Rid) protein superfamily includes eight families among which the RidA is conserved in all domains of life. RidA proteins accelerate the deamination of the reactive 2-aminoacrylate (2AA), an enamine produced by some pyridoxal phosphate (PLP)-dependent enzymes. 2AA
Ko-Chun Ko et al.
Antimicrobial agents and chemotherapy, 56(4), 1725-1734 (2012-01-11)
The marine snail Aplysia californica produces escapin, an L-amino acid oxidase, in its defensive ink. Escapin uses L-lysine to produce diverse products called escapin intermediate products of L-lysine (EIP-K), including α-amino-ε-caproic acid, Δ¹-piperidine-2-carboxylic acid, and Δ²-piperidine-2-carboxylic acid. EIP-K and H₂O₂
Paola Rey-Suárez et al.
Journal of proteomics, 75(2), 655-667 (2011-10-04)
Venoms of the redtail coral snake Micrurus mipartitus from Colombia and Costa Rica were analyzed by "venomics", a proteomic strategy to determine their composition. Proteins were separated by RP-HPLC, followed by SDS-PAGE, in-gel tryptic digestion, identification by MALDI or ESI
Chia-Ann Yang et al.
Journal of agricultural and food chemistry, 60(10), 2464-2471 (2012-02-23)
The monomeric L-amino acid oxidase (mTh-LAAO) of Trichoderma harzianum ETS 323 has been suggested to antagonize Rhizoctonia solani by an unknown mechanism. Here, the mTh-LAAO-treated R. solani exhibited hyphal lysis and apoptotic characteristics such as DNA fragmentation, reactive oxygen species

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