{"action":"created","issue":{"url":"https://api.github.com/repos/mdtraj/mdtraj/issues/800","labels_url":"https://api.github.com/repos/mdtraj/mdtraj/issues/800/labels{/name}","comments_url":"https://api.github.com/repos/mdtraj/mdtraj/issues/800/comments","events_url":"https://api.github.com/repos/mdtraj/mdtraj/issues/800/events","html_url":"https://github.com/mdtraj/mdtraj/issues/800","id":69360656,"number":800,"title":"What is `atom.serial`","user":{"login":"mpharrigan","id":4967059,"avatar_url":"https://avatars.githubusercontent.com/u/4967059?v=3","gravatar_id":"","url":"https://api.github.com/users/mpharrigan","html_url":"https://github.com/mpharrigan","followers_url":"https://api.github.com/users/mpharrigan/followers","following_url":"https://api.github.com/users/mpharrigan/following{/other_user}","gists_url":"https://api.github.com/users/mpharrigan/gists{/gist_id}","starred_url":"https://api.github.com/users/mpharrigan/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mpharrigan/subscriptions","organizations_url":"https://api.github.com/users/mpharrigan/orgs","repos_url":"https://api.github.com/users/mpharrigan/repos","events_url":"https://api.github.com/users/mpharrigan/events{/privacy}","received_events_url":"https://api.github.com/users/mpharrigan/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mdtraj/mdtraj/labels/question","name":"question","color":"cc317c"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-04-18T23:36:52Z","updated_at":"2015-04-19T03:09:30Z","closed_at":null,"body":"And how is it different than `atom.index`?\r\n\r\nThis doesn't seem to be documented anywhere"},"comment":{"url":"https://api.github.com/repos/mdtraj/mdtraj/issues/comments/94229234","html_url":"https://github.com/mdtraj/mdtraj/issues/800#issuecomment-94229234","issue_url":"https://api.github.com/repos/mdtraj/mdtraj/issues/800","id":94229234,"user":{"login":"rmcgibbo","id":641278,"avatar_url":"https://avatars.githubusercontent.com/u/641278?v=3","gravatar_id":"","url":"https://api.github.com/users/rmcgibbo","html_url":"https://github.com/rmcgibbo","followers_url":"https://api.github.com/users/rmcgibbo/followers","following_url":"https://api.github.com/users/rmcgibbo/following{/other_user}","gists_url":"https://api.github.com/users/rmcgibbo/gists{/gist_id}","starred_url":"https://api.github.com/users/rmcgibbo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rmcgibbo/subscriptions","organizations_url":"https://api.github.com/users/rmcgibbo/orgs","repos_url":"https://api.github.com/users/rmcgibbo/repos","events_url":"https://api.github.com/users/rmcgibbo/events{/privacy}","received_events_url":"https://api.github.com/users/rmcgibbo/received_events","type":"User","site_admin":false},"created_at":"2015-04-19T03:09:30Z","updated_at":"2015-04-19T03:09:30Z","body":"For the PDB format, it's supposed to be the number associated in the pdb file with the atom, called \"serial\" [here](http://www.wwpdb.org/documentation/file-format-content/format33/sect9.html#ATOM). These aren't always contiguous or starting with zero."}}