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Contact Us - NCBI

Contact Us

NCBI Help Desk

Send a message via the NCBI Helpdesk Web Form.

  • Submit questions about NCBI and its programs and services
  • Request technical support for our data or services

PubMed Customer Service

PubMed Central (PMC) Customer Service

BLAST [email protected]

  • Submit technical questions on running or interperting BLAST sequence comparison searches

GenBank Help [email protected]

  • Submit comments or questions about a sequence
  • E-mail simple updates to submissions
  • E-mail a completed sequence update prepared with Sequin

GenBank Submissions [email protected]

  • E-mail completed Sequin submission files

Sequence Submission Help [email protected]

  • Assistance with record annotation

Gene and Reference Sequences (RefSeq) Feedback

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