THE SEQUENCE OF CHOLESTEROL OXIDASE FROM STREPTOMYCES SP FOUND IN THE SEQUENCE DATA BASE IS A ...THE SEQUENCE OF CHOLESTEROL OXIDASE FROM STREPTOMYCES SP FOUND IN THE SEQUENCE DATA BASE IS A PRECURSOR FORM OF THE ENZYME. THE MATURE ENZYME RUNS FROM RESIDUES 43 - 546. THE NUMBERING OF THE RESIDUES DIFFERS FROM THAT IN THE DATABASE DUE TO THIS DESCREPANCY IN THE SEQUENCE. IN ADDITION, THE NUMBERING HAS BEEN ADJUSTED TO CONFORM TO THAT FOUND IN THE STRUCTURE OF CHOLESTEROL OXIDASE FROM BREVIBACTERIUM STEROLICUM (ACCESSION CODE 3COX). THIS CHANGE IN THE NUMBERING SCHEME FACILITATES COMPARISONS OF THE TWO STRUCTURES. GLN436 AND LYS273 HAVE BEEN MODELED AS ALANINES SINCE THERE IS VERY POOR SIDE CHAIN DENSITY FOR THESE RESIDUES. GLU361 HAS BEEN MUTATED TO A GLUTAMINE.