Resources

All Resources

Literature

Bookshelf

Journals Database

MeSH

PubMed

PubMed Central

All Literature Resources…

DNA & RNA

BankIt

BLAST

GenBank

Genome Workbench

Influenza Virus

Nucleotide Database

PopSet

Reference Sequence (RefSeq)

Sequence Read Archive (SRA)

Trace Archive

All DNA & RNA Resources…

Proteins

BLAST

BLAST Link (BLink)

Conserved Domain Search Service (CD Search)

GenBank

Protein

Protein Clusters

Reference Sequence (RefSeq)

All Proteins Resources…

Sequence Analysis

BLAST

BLAST (Stand-alone)

BLAST Link (BLink)

GenBank

Genome Workbench

Influenza Virus

All Sequence Analysis Resources…

Genes & Expression

GenBank

Gene

Gene Expression Omnibus (GEO) Datasets

Gene Expression Omnibus (GEO) Datasets

Gene Expression Omnibus (GEO) Profiles

Genome Workbench

Map Viewer

UniGene

All Genes & Expression Resources…

Genomes

GenBank

Genome

Genome Project

Influenza Virus

Map Viewer

Nucleotide Database

Sequence Read Archive (SRA)

Trace Archive

UniSTS

All Genomes Resources…

Maps & Markers

Genome

Genome Workbench

Map Viewer

UniSTS

All Maps & Markers Resources…

Domains & Structures

Cn3D

Conserved Domain Database (CDD)

Conserved Domain Search Service (CD Search)

Structure (Molecular Modeling Database)

Vector Alignment Search Tool (VAST)

All Domains & Structures Resources…

Genetics & Medicine

Bookshelf

Database of Genotypes and Phenotypes (dbGaP)

Influenza Virus

Map Viewer

PubMed

PubMed Central

All Genetics & Medicine Resources…

Taxonomy

Taxonomy

Taxonomy Common Tree

All Taxonomy Resources…

Data & Software

BLAST (Stand-alone)

Cn3D

All Data & Software Resources…

Training & Tutorials

NCBI Education Page

NCBI Handbook

NCBI Help Manual

Science Primer

All Training & Tutorials Resources…

Homology

Clusters of Orthologous Groups (COGs)

Conserved Domain Database (CDD)

Genome ProtMap

Protein Clusters

All Homology Resources…

Small Molecules

PubChem BioAssay

PubChem Compound

PubChem Structure Search

PubChem Substance

All Small Molecules Resources…

Variation

Database of Genotypes and Phenotypes (dbGaP)

Database of Single Nucleotide Polymorphisms (dbSNP)

PopSet

Sequin

All Variation Resources…

How To

All How To

Literature

DNA & RNA

Proteins

Sequence Analysis

Genes & Expression

Genomes

Maps & Markers

Domains & Structures

Genetics & Medicine

Taxonomy

Data & Software

Training & Tutorials

Homology

Small Molecules

Variation

Skip to main content

Skip to navigation

About NCBI Accesskeys

My NCBI | Sign In

National Center for Biotechnology Information

Search
All Databases

NCBI Web Site

PubMed

Protein

Nucleotide

EST

GSS

Structure

Genome

Books

CancerChromosomes

Conserved Domains

3D Domains

Gene

Genome Project

dbGaP

GENSAT

GEO Profiles

GEO Datasets

HomoloGene

Journals

MeSH

NLM Catalog

OMIA

OMIM

PMC

PopSet

Probe

Protein Clusters

PubChem BioAssay

PubChem Compound

PubChem Substance

SNP

SRA

Taxonomy

UniGene

UniSTS
for

Resources

NCBI Home

All Resources (A-Z)

Literature

DNA & RNA

Proteins

Sequence Analysis

Genes & Expression

Genomes

Maps & Markers

Domains & Structures

Genetics & Medicine

Taxonomy

Data & Software

Training & Tutorials

Homology

Small Molecules

Variation

How To...

Obtain the full text of an article

Retrieve all sequences for an organism or taxon

Find a homolog for a gene in another organism

Find genes associated with a phenotype or disease

Design PCR primers and check them for specificity

Find the function of a gene or gene product

Find syntenic regions between the genomes of two organisms

See all …

About the NCBI

The National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.

More about the NCBI |

Mission |

Organization |

Research |

RSS

Help Us Improve

Send us feedback on the new home page and guide pages design

NLM/NCBI H1N1 Flu Resources

Newest H1N1 influenza sequences

Submit flu sequences to GenBank

Latest H1N1 citations in PubMed

MedlinePlus (consumer health information)

Enviro-Health links

Popular Resources

PubMed

PubMed Central

Bookshelf

BLAST

Gene

Nucleotide

Protein

GEO

Conserved Domains

Structure

PubChem

NCBI News

05 Oct 2009
NCBI News - September 2009
The September 2009 issue of the NCBI News is available ...

19 Aug 2009
NCBI News - August 2009
The August 2009 issue of the NCBI News is available online. ...

17 Jul 2009
NCBI News - July 2009
The July 2009 issue of the NCBI News is now available online...

More...

You are here: NCBI
Help Desk

Simple NCBI Directory

Getting Started

Site Map

NCBI Help Manual

NCBI Handbook

Training & Tutorials

Resources

Literature

DNA & RNA

Proteins

Sequence Analysis

Genes & Expression

Genomes

Maps & Markers

Domains & Structures

Genetics & Medicine

Taxonomy

Data & Software

Training & Tutorials

Homology

Small Molecules

Variation

Popular

PubMed

PubMed Central

Bookshelf

BLAST

Gene

Nucleotide

Protein

GEO

Conserved Domains

Structure

PubChem

Featured

GenBank

Reference Sequences

Map Viewer

Genome Projects

Human Genome

Mouse Genome

Influenza Virus

Primer-BLAST

Short Read Archive

NCBI Information

About NCBI

Research at NCBI

NCBI Newsletter

NCBI FTP Site

Contact Us

NIH DHHS USA.gov

Copyright | Disclaimer | Privacy | Accessibility | Contact
National Center for Biotechnology Information , U.S. National Library of Medicine 8600 Rockville Pike, Bethesda MD, 20894 USA