Pseudovitamin B12

Pseudovitamin B12
Pseudovitamin B12 in its cyano form
Names
Other names
  • β-Cobalamin
  • Adenine cobamide
  • Coα-[α-(7-adenyl)]-Coβ-cobamide
Identifiers
3D model (JSmol)
10761681
ChEBI
ChemSpider
  • InChI=1S/C58H85N16O14P.CN.Co/c1-26(87-89(84,85)88-47-34(23-75)86-53(46(47)83)74-25-69-52-45(74)51(65)67-24-68-52)22-66-42(82)16-17-55(6)32(18-39(62)79)50-58(9)57(8,21-41(64)81)31(12-15-38(61)78)44(73-58)28(3)49-56(7,20-40(63)80)29(10-13-36(59)76)33(70-49)19-35-54(4,5)30(11-14-37(60)77)43(71-35)27(2)48(55)72-50;1-2;/h19,24-26,29-32,34,46-47,50,53,75,83H,10-18,20-23H2,1-9H3,(H17,59,60,61,62,63,64,65,66,67,68,70,71,72,73,76,77,78,79,80,81,82,84,85);;/q;;+2/p-2/t26-,29-,30-,31-,32+,34-,46-,47-,50-,53+,55-,56+,57+,58+;;/m1../s1 Y
    Key: SEIQEEFQSMTJKO-IOOXTKEKSA-L Y
  • N#[C-][Co+3]1234[N]5=CN(C=6C(=NC=NC65)N)C7OC(CO)C(OP(=O)([O-])OC(C)CNC(=O)CCC8(C9=C(C%10=[N]4C(=CC%11=[N]3C(=C(C%12=[N]2C(C)(C([N-]91)C8CC(=O)N)C(C)(CC(=O)N)C%12CCC(=O)N)C)C(C)(CC(=O)N)C%11CCC(=O)N)C(C)(C)C%10CCC(=O)N)C)C)C7O
Properties
C59H83CoN17O14P
Molar mass 1344.325 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Pseudovitamin B12 is a structural analog of cobalamin, a natural corrinoid with a structure similar to the vitamin B12 group of vitamers. It has no vitamin activity in humans, but can act as a cofactor in some microbial enzymes. Pseudovitamin B12 is the majority corrinoid in spirulina, an algal dietary supplement sometimes erroneously claimed as having this vitamin activity.

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