Crystal structure of serine hydroxymethyltransferase from Aphanothece halophytica in the covalent complex with malonate

2-Gaussian fit: Grosse-Kunstleve RW, Sauter NK, Adams PD: Newsletter of the IUCr Commission on Crystallographic Computing 2004, 3, 22-31.

Structural and kinetic properties of serine hydroxymethyltransferase from the halophytic cyanobacterium Aphanothece halophytica provide a rationale for salt tolerance.

MGSSHHHHHHSSGLVPRGSHMTQTNLDFLLQTDPTISGMMQKELQRQREHLELIASENFTSPAVMATQGSVLTNKYAEGL
PKKRYYGGCEFIDEIEQVAIDRAKELFGAASANVQPHSGAQANFAVFLTLLKPGDKIMGMDLSHGGHLTHGSPANVSGKW
FEAVHYGVSQETEQLDYDHILEVARQERPKLIICGYSAYPRIINFEKFRAIADEVGAYLLADIAHIAGLVASGHHPNPVP
HCDVVTTTTHKTLRGPRGGLILTRDPELGKKFNKSVFPGTQGGPLEHVIAGKAVAFGEALKPEFKAYSGQVIANAQAMAQ
QLQNRGFKIVSGGTDNHLMLVDLRSVNLTGKQADQLVSDVNITANKNTVPFDPESPFVTSGLRLGSPAMTTRGLGTEDFA
EIANIIADRLQNPEDEQVKQACVQRVAALCERFPLYPHLNAPVPAMA

0.2 M sodium malonate at pH 5.0 and 20% polyethylene glycol 3350

National Institutes of Health/National Cancer Institute (NIH/NCI)

SERINE BIOSYNTHESIS, GLYCINE, PLP, ONE-CARBON METABOLISM, TETRAHYDROFOLATE, TRANSFERASE

MTQTNLDFLLQTDPTISGMMQKELQRQREHLELIASENFTSPAVMATQGSVLTNKYAEGLPKKRYYGGCEFIDEIEQVAI
DRAKELFGAASANVQPHSGAQANFAVFLTLLKPGDKIMGMDLSHGGHLTHGSPANVSGKWFEAVHYGVSQETEQLDYDHI
LEVARQERPKLIICGYSAYPRIINFEKFRAIADEVGAYLLADIAHIAGLVASGHHPNPVPHCDVVTTTTHKTLRGPRGGL
ILTRDPELGKKFNKSVFPGTQGGPLEHVIAGKAVAFGEALKPEFKAYSGQVIANAQAMAQQLQNRGFKIVSGGTDNHLML
VDLRSVNLTGKQADQLVSDVNITANKNTVPFDPESPFVTSGLRLGSPAMTTRGLGTEDFAEIANIIADRLQNPEDEQVKQ
ACVQRVAALCERFPLYPHLNAPVPAMA

binding site for residues PMP A 501 and MLI B 501

binding site for residues MLI A 504 and PMP B 502

binding site for Di-peptide PMP B 502 and LYS B 231