PYGL also known as Glycogen phosphorylase, switches from inactive phosphorylase B to active phosphorylase A by phosphorylation of serine residue 15. Activity of this enzyme is further regulated by multiple allosteric effectors and hormonal controls. The liver isozyme serves the glycemic demands of the body in general while the brain and muscle isozymes supply just those tissues. Source: Recombinant protein corresponding to aa1-847 of human PYGL, fused to His-tag at N-terminal expressed in E. coli. Molecular Weight: ~100.7kD AA Sequence: MGSSHHHHHH SSGLVPRGSH MGSEFELRRQ ASMAKPLTDQ EKRRQISIRG IVGVENVAEL KKSFNRHLHF TLVKDRNVAT TRDYYFALAH TVRDHLVGRW IRTQQHYYDK CPKRVYYLSL EFYMGRTLQN TMINLGLQNA CDEAIYQLGL DIEELEEIEE DAGLGNGGLG RLAACFLDSM ATLGLAAYGY GIRYEYGIFN QKIRDGWQVE EADDWLRYGN PWEKSRPEFM LPVHFYGKVE HTNTGTKWID TQVVLALPYD TPVPGYMNNT VNTMRLWSAR APNDFNLRDF NVGDYIQAVL DRNLAENISR VLYPNDNFFE GKELRLKQEY FVVAATLQDI IRRFKASKFG STRGAGTVFD AFPDQVAIQL NDTHPALAIP ELMRIFVDIE KLPWSKAWEL TQKTFAYTNH TVLPEALERW PVDLVEKLLP RHLEIIYEIN QKHLDRIVAL FPKDVDRLRR MSLIEEEGSK RINMAHLCIV GSHAVNGVAK IHSDIVKTKV FKDFSELEPD KFQNKTNGIT PRRWLLLCNP GLAELIAEKI GEDYVKDLSQ LTKLHSFLGD DVFLRELAKV KQENKLKFSQ FLETEYKVKI NPSSMFDVQV KRIHEYKRQL LNCLHVITMY NRIKKDPKKL FVPRTVIIGG KAAPGYHMAK MIIKLITSVA DVVNNDPMVG SKLKVIFLEN YRVSLAEKVI PATDLSEQIS TAGTEASGTG NMKFMLNGAL TIGTMDGANV EMAEEAGEEN LFIFGMRIDD VAALDKKGYE AKEYYEALPE LKLVIDQIDN GFFSPKQPDL FKDIINMLFY HDRFKVFADY EAYVKCQDKV SQLYMNPKAW NTMVLKNIAA SGKFSSDRTI KEYAQNIWNV EPSDLKISLS NESNKVNGN Storage and Stability: May be stored at 4C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20C. Aliquots are stable for 6 months after receipt at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
