Human AdoMetDC D174N mutant with no putrescine bound

Structural Basis for Putrescine Activation of Human S-Adenosylmethionine Decarboxylase.

S-adenosylmethionine decarboxylase beta chain

S-adenosylmethionine decarboxylase alpha chain

SMFVSKRRFILKTCGTTLLLKALVPLLKLARDYSGFDSIQSFFYSRKNFMKPSHQGYPHRNFQEEIEFLNAIFPNGAAYC
MGRMNSDCWYLYTLDFPESRVISQPNQTLEILMSELDPAVMDQFYMKDGVTAKDVTRESGIRDLIPGSVIDATMFNPCGY
SMNGMKSDGTYWTIHITPEPEFSYVSFETNLSQTSYDDLIRKVVEVFKPGKFVTTLFVNQSSKCRTVLASPQKIEGFKRL
DCQSAMFNDYNFVFTSFAKK

16% PEG 8000, 100 mM Tris, 10 mM DTT, pH 8.0, vapor diffusion, hanging drop, temperature 295K

AdoMetDC with mutation in putrescine binding site, Decarboxylase, Lyase, Pyruvate, S-adenosyl-L-methionine, Spermidine biosynthesis, Zymogen

SMFVSKRRFILKTCGTTLLLKALVPLLKLARDYSGFDSIQSFFYSRKNFMKPSHQGYPHRNFQEEIEFLNAIFPNGAAYC
MGRMNSDCWYLYTLDFPESRVISQPDQTLEILMSELDPAVMDQFYMKDGVTAKDVTRESGIRDLIPGSVIDATMFNPCGY
SMNGMKSDGTYWTIHITPEPEFSYVSFETNLSQTSYDDLIRKVVEVFKPGKFVTTLFVNQSSKCRTVLASPQKIEGFKRL
DCQSAMFNDYNFVFTSFAKK