X-RAY CRYSTALLOGRAPHY (2.60 ANGSTROMS) OF
20-607 IN COMPLEX WITH CALCIUM; PHOSPHATE AND SULFATE ANIONS AND TRYPTOPHAN, FUNCTION, ACTIVITY REGULATION, DOMAIN, DISULFIDE BONDS, GLYCOSYLATION AT ASN-261; ASN-287; ASN-446; ASN-468; ASN-488; ASN-541 AND ASN-594, MUTAGENESIS OF ARG-69; ASN-102; THR-145; SER-147; SER-170; TYR-218; SER-417 AND TRP-458, CHARACTERIZATION OF VARIANTS NSHPT ILE-100; LEU-227 AND LYS-551, CHARACTERIZATION OF VARIANTS HHC1 HIS-66; MET-81; PRO-159; GLY-172; GLY-215; LYS-297 AND GLU-557