1 P15502-ELN_HUMAN. 2  Hydroxylation on proline residues within the sequence motif, GXPG, is most likely 4-hydroxy as this fits the requirement for 4-hydroxylation in vertebrates.
An API number is a unique and permanent number that identifies each well drilled for oil and gas in the United States. API numbers were established by the American Petroleum Institute, as an industry standard, to keep track of the nearly three million oil and gas drills in the country. It was necessary because wells usually have names that consist of three parts: an operator name, a well number and a lease name.
What is the Web Notifications API. The Web Notifications API is defined as an API for end-user notifications. A notification allows alerting the user outside the context of a web page of an occurrence, such as the delivery of email. The specifications donât describe how and where a UA should display these notifications.