[ccp4bb] AW: [ccp4bb] Heme Proteins

2010-09-05 Thread Jan Schoepe
Hi Hari, These vectors are indeed not commercial ones. Unfortunately, I do not have any of them any more. If I were you, I would directly ask the group where they were originally made - not sure if they are always reading the ccp4 bulletin board though. Anyways, here are some more things about

[ccp4bb] AW: [ccp4bb] Heme Proteins

2010-08-26 Thread Jan Schoepe
Hary, Delta-aminolevulinic acid is the classical heme (heme b) precursor for your experiments. As far as I know, the synthesis of porphyrin goes very quickly in E. coli, since I tried it once with a bacterial P450 and got a fat overexpression band after ~2hrs in the lysate. Also the photometri