2.1.1.14	additional information	no requirement for phosphate or magnesium	
2.1.1.14	additional information	vitamin-B12 independent enzyme	
2.1.1.14	additional information	no requirement for a reducing system	
2.1.1.14	additional information	no requirement for S-adenosylmethionine	
2.1.1.14	additional information	vitamin B12 independent enzyme	
2.1.1.14	additional information	vitamin B12-independent enzyme