About: http://webisa.webdatacommons.org/259956531

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	wherein the group enclosed within parenthesis represents an amino acid or an amino acid derivative, R2 is a C1-C6 alkyl, and R3, R4 and R5 can be the same or different and each can be an organic group. q is an integer greater than one.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com