bile acids degradation
Ridlon JM, Hylemon PB. Identification and characterization of two bile acid coenzyme A transferases from Clostridium scindens, a bile acid 7a-dehydroxylating intestinal bacterium. Journal of Lipid Research. 2012 Jan;53(1):66–76. doi: 10.1194/jlr.m020313.; Ye H, Mallonee DH, Wells JE, Björkhem I, Hylemon PB. The bile acid-inducible baiF gene from Eubacterium sp. strain VPI 12708 encodes a bile acid-coenzyme A hydrolase. Journal of Lipid Research. 1999 Jan;40(1):17–23. doi: 10.1016/s0022-2275(20)33335-6.; Dawson JA, Mallonee DH, Björkhem I, Hylemon PB. Expression and characterization of a C24 bile acid 7 alpha-dehydratase from Eubacterium sp. strain VPI 12708 in Escherichia coli. Journal of Lipid Research. 1996 Jan;37(6):1258–67. doi: 10.1016/s0022-2275(20)39155-0.; White BA, Cacciapuoti AF, Fricke RJ, Whitehead TR, Mosbach EH, Hylemon PB. Cofactor requiremets for 7 alpha-dehydroxylation of cholic and chenodeoxycholic acid in cell extracts of the intestinal anaerobic bacterium, Eubacterium species V.P.I. 13708. Journal of Lipid Research. 1981 Aug;22(6):891–8. doi: 10.1016/s0022-2275(20)37326-0.
Metabolites
Enzyme
| EC Number | name | full name | note |
|---|---|---|---|
| 2.3.1.- | |||
| 1.1.1.395 | 3alpha-hydroxy bile acid-CoA-ester 3-dehydrogenase | 3alpha-hydroxy-bile-acid-CoA-ester:NAD+ 3-oxidoreductase | |
| 1.3.1.114 | 3-dehydro-bile acid DELTA4,6-reductase | 3-oxocholan-24-oyl-CoA DELTA4,6-oxidoreductase | |
| 1.3.1.115 | 3-oxocholoyl-CoA 4-desaturase | 3-oxocholoyl-CoA DELTA4-oxidoreductase | |
| 2.8.3.25 | bile acid CoA-transferase | lithocholoyl-CoA:cholate CoA-transferase | |
| 3.5.1.24 | choloylglycine hydrolase | 3alpha,7alpha,12alpha-trihydroxy-5beta-cholan-24-oylglycine amidohydrolase | |
| 3.5.1.74 | chenodeoxycholoyltaurine hydrolase | chenodeoxycholoyltaurine amidohydrolase | |
| 4.2.1.106 | bile-acid 7alpha-dehydratase | 7alpha,12alpha-dihydroxy-3-oxochol-4-enoyl-CoA hydro-lyase (12alpha-hydroxy-3-oxochola-4,6-dienoyl-CoA-forming) | |
| 6.2.1.7 | cholate-CoA ligase | cholate:CoA ligase (AMP-forming) |
Proteins
| Protein ID | name | full name |
|---|---|---|
| B0NAQ4 | baiN | 3-dehydro-bile acid delta(4,6)-reductase |
| B4YST4 | baiK | Bile acid CoA-transferase BaiK |
| P07914 | baiA1 | 3alpha-hydroxy bile acid-CoA-ester 3-dehydrogenase 1/3 |
| P19337 | baiA2 | 3alpha-hydroxy bile acid-CoA-ester 3-dehydrogenase 2 |
| P19409 | baiB | Bile acid--coenzyme A ligase |
| P19410 | baiCD | 3-oxocholoyl-CoA 4-desaturase |
| P19412 | baiE | Bile acid 7alpha-dehydratase |
| P19413 | baiF | Bile acid CoA-transferase BaiF |
| Q9KK62 | bsh | Bile salt hydrolase/transferase |