Crystal Structure Analysis of Klebsiella sp ASR1 Phytase

Crystal Structure of Klebsiella Sp. Asr1 Phytase Suggests Substrate Binding to a Preformed Active Site that Meets the Requirements of a Plant Rhizosphere Enzyme.

MDIGINSDPPPRDWQLEKVVELSRAGIRPPTAGNREAIEAATGRPWTEWTTHDGELTGHGYAAVVNKGREEGQHYRQLGL
LQAGCPTAESIYVRASPLQRTRATAQALVDGAFPGCGVAIHYANGDADPLFQTDKFAATQTDPARQLAAVKEKAGDLAQR
RQALAPTIQLLKQAVCQADKPCPIFDTPWRVEQSKSGKTTISGLSVMANMVETLRLGWSENLPLSQLAWGKIAQASQITA
LLPLLTENYDLSNDVLYTAQKRGSVLLNAMLDGVKPEASPNVRWLLLVAHDTNIAMVRTLMNFSWQLPGYSRGNIPPGSS
LVLERWRDAKSGERYLRVYFQAQGLDDLRRLQTPDAQHPMLRQEWRQPGCRQTDVGTLCPFQAAITALGQRIDRPSAPAV
AMVLPKLAAALEHHHHHH

12% PEG8000, 0.08M (NH4)SO4, 0.1M SODIUM ACETATE, 1.5MM PHYTATE

THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.

ENGINEERED RESIDUE IN CHAIN A, HIS 41 TO ALA ENGINEERED RESIDUE IN CHAIN A, VAL 139 TO ALA ENGINEERED RESIDUE IN CHAIN A, ASN 295 TO SER ENGINEERED RESIDUE IN CHAIN A, THR 413 TO ALA ENGINEERED RESIDUE IN CHAIN B, HIS 41 TO ALA ENGINEERED RESIDUE IN CHAIN B, VAL 139 TO ALA ENGINEERED RESIDUE IN CHAIN B, ASN 295 TO SER ENGINEERED RESIDUE IN CHAIN A, THR 413 TO ALA ENGINEERED RESIDUE IN CHAIN C, HIS 41 TO ALA ENGINEERED RESIDUE IN CHAIN C, VAL 139 TO ALA ENGINEERED RESIDUE IN CHAIN C, ASN 295 TO SER ENGINEERED RESIDUE IN CHAIN A, THR 413 TO ALA ENGINEERED RESIDUE IN CHAIN D, HIS 41 TO ALA ENGINEERED RESIDUE IN CHAIN D, VAL 139 TO ALA ENGINEERED RESIDUE IN CHAIN D, ASN 295 TO SER ENGINEERED RESIDUE IN CHAIN A, THR 413 TO ALA

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.