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C5890

Sigma-Aldrich

Casein from bovine milk

suitable for substrate for protein kinase (after dephosphorylation), purified powder

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CAS Number:
EC Number:
MDL number:
NACRES:
NA.61

biological source

bovine milk

Quality Level

form

purified powder

technique(s)

activity assay: suitable
electrophoresis: suitable
immunocytochemistry: suitable

mp

280 °C (dec.) (lit.)

suitability

suitable for substrate for protein kinase (after dephosphorylation)

UniProt accession no.

InChI

1S/C81H125N22O39P/c1-36(2)31-50(76(132)94-43(15-24-57(87)108)71(127)101-52(34-64(120)121)78(134)98-49(81(137)138)11-7-8-30-82)99-72(128)47(19-28-61(114)115)95-77(133)51(33-63(118)119)100-73(129)48(20-29-62(116)117)97-80(136)65(37(3)104)103-75(131)44(16-25-58(88)109)92-68(124)42(14-23-56(86)107)90-67(123)41(13-22-55(85)106)91-69(125)45(17-26-59(110)111)93-70(126)46(18-27-60(112)113)96-79(135)53(35-142-143(139,140)141)102-74(130)40(12-21-54(84)105)89-66(122)39(83)32-38-9-5-4-6-10-38/h4-6,9-10,36-37,39-53,65,104H,7-8,11-35,82-83H2,1-3H3,(H2,84,105)(H2,85,106)(H2,86,107)(H2,87,108)(H2,88,109)(H,89,122)(H,90,123)(H,91,125)(H,92,124)(H,93,126)(H,94,132)(H,95,133)(H,96,135)(H,97,136)(H,98,134)(H,99,128)(H,100,129)(H,101,127)(H,102,130)(H,103,131)(H,110,111)(H,112,113)(H,114,115)(H,116,117)(H,118,119)(H,120,121)(H,137,138)(H2,139,140,141)

InChI key

BECPQYXYKAMYBN-UHFFFAOYSA-N

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1 of 4

This Item
C3400C5679C7078
form

purified powder

form

powder

form

powder

form

powder

technique(s)

activity assay: suitable, electrophoresis: suitable, immunocytochemistry: suitable

technique(s)

activity assay: suitable, electrophoresis: suitable, immunocytochemistry: suitable

technique(s)

cell culture | insect: suitable

technique(s)

activity assay: suitable, electrophoresis: suitable, immunocytochemistry: suitable

suitability

suitable for substrate for protein kinase (after dephosphorylation)

suitability

-

suitability

-

suitability

-

UniProt accession no.

P02662, P02663, P02666, P02668

UniProt accession no.

P02662, P02663, P02666, P02668

UniProt accession no.

P02662, P02663, P02666, P02668

UniProt accession no.

P02662, P02663, P02666

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

300

General description

Casein from bovine milk is a phosphoprotein. There are four main types of Casein which make up approximately 80% of the total protein in bovine milk: α-s1 Casein, α-s2 Casein, β-Casein, and κ-Casein. Casein is proposed to be the main protective constituent in milk.

Application

Casein from bovine milk has been used:
  • to prepare casein hydrolysates
  • as a calibrating substance in biuret colorimetric method
  • as a supplement in nutrient agar for the determination of protease activity
  • to prepare protein-enriched diet for independent replicate lines of D. melanogaster

Biochem/physiol Actions

Partial gastrointestinal digestion of casein is a rich source of bioactive peptides, such as β-casomorphin. However, bovine casein is not homogeneous; variants A1 and B do lead to production of β-casomorphin 7 production, while A2 does not.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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