
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /></head><body style='font-size: 10pt; font-family: Verdana,Geneva,sans-serif'>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">wwPDB has introduced DNS names for programmatic access to PDB archive downloads:</p>

<ul style="box-sizing: border-box; margin-top: 0px; margin-bottom: 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">

<li style="box-sizing: border-box; margin: 5px 0px;">FTP: <a class="v1v1moz-txt-link-freetext" href="https://urldefense.com/v3/__ftp://ftp.wwpdb.org__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQviOfULTs$" target="_blank" rel="noopener noreferrer">ftp://ftp.wwpdb.org</a></li>

<li style="box-sizing: border-box; margin: 5px 0px;">HTTPS:<span> </span><a class="v1v1moz-txt-link-freetext" style="box-sizing: border-box; background: transparent; color: #084888; text-decoration: none; font-weight: 600;" href="https://urldefense.com/v3/__https://files.wwpdb.org/__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQvo2YHqq0$" target="_blank" rel="noopener noreferrer">https://files.wwpdb.org</a><span> </span>(replaces <a class="v1v1moz-txt-link-freetext" href="https://urldefense.com/v3/__https://ftp.wwpdb.org__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQvl-7oqk3$" target="_blank" rel="noopener noreferrer">https://ftp.wwpdb.org</a>)</li>

<li style="box-sizing: border-box; margin: 5px 0px;">RSYNC: rsync://rsync.wwpdb.org (replaces rsync://wwpdb.org)</li>

</ul>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">The<span> </span><a style="box-sizing: border-box; background: transparent; color: #084888; text-decoration: none; font-weight: 600;" href="https://urldefense.com/v3/__http://www.wwpdb.org/ftp/pdb-ftp-sites__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQvtip18UB$" target="_blank" rel="noopener noreferrer">PDB Archive Downloads</a><span> </span>documentation has detailed information.</p>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Starting September 2023, wwPDB will start enforcing use of these updated DNS names. URLs in which the DNS name doesn't match the protocol (e.g., <a class="v1v1moz-txt-link-freetext" href="https://urldefense.com/v3/__https://ftp.wwpdb.org__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQvl-7oqk3$" target="_blank" rel="noopener noreferrer">https://ftp.wwpdb.org</a>, <a class="v1v1moz-txt-link-freetext" href="https://urldefense.com/v3/__ftp://files.wwpdb.org__;!!Mih3wA!BTdRC4zihYGK-rylv-Qj4-fg6dZBBXTm7XO0wURYQXaI0-K7aghDohlfJGcTPq5ZVP-7VZbi94zhraHQvhvGfm7i$" target="_blank" rel="noopener noreferrer">ftp://files.wwpdb.org</a>) will no longer work at that time.</p>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Users who download PDB archive data programmatically are encouraged to switch to the new DNS names as soon as possible. HTTPS protocol is preferred (over FTP) for individual file downloads.</p>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Please contact<span> </span><a class="v1v1moz-txt-link-freetext" style="box-sizing: border-box; background: transparent; color: #084888; text-decoration: none; font-weight: 600;" href="mailto:info@wwpdb.org" rel="noreferrer">info@wwpdb.org</a><span> </span>with any questions.</p>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"> </p>

<p style="box-sizing: border-box; margin: 0px 0px 10px; color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><span style="color: #333333; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">wwPDB</span></p>

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