<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><h2 class="">Keep your ID: PDB versioning is now available</h2><p class="">Versioning now allows depositors to update their coordinates while retaining the same PDB accession code.</p><p class="">Initially, versioning is limited to PDB entries that were submitted
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