NCBI Help Desk

Send a message via the NCBI Support Center.

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

PubMed Customer Service

• FAQs and documentation are available in the PubMed User Guide
• Search the Knowledge Base or ask for help via the NCBI Support Center

PubMed Central (PMC) Customer Service

• For help with the website, email the PMC Help Desk at pubmedcentral@ncbi.nlm.nih.gov
• For help with submitting manuscripts, email the NIHMS Help Desk at nihms-help@ncbi.nlm.nih.gov
• Publishers, consult these websites for inquiries about journals or books and monographs

BLAST blast-help@ncbi.nlm.nih.gov

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

GenBank Help gb-admin@ncbi.nlm.nih.gov

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

GenBank Submissions gb-sub@ncbi.nlm.nih.gov

• E-mail completed Sequin submission files

Sequence Submission Help info@ncbi.nlm.nih.gov

• Assistance with record annotation

Gene and Reference Sequences (RefSeq) Feedback

• Submit data suggestions, updates or corrections to the Gene and RefSeq Feedback Web Form