NCBI FieldGuide NCBI Molecular Biology Resources March 2007 Using Entrez.
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Transcript of NCBI FieldGuide NCBI Molecular Biology Resources March 2007 Using Entrez.
![Page 1: NCBI FieldGuide NCBI Molecular Biology Resources March 2007 Using Entrez.](https://reader035.fdocuments.net/reader035/viewer/2022062408/56649f2b5503460f94c454b1/html5/thumbnails/1.jpg)
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NCBI Molecular Biology Resources
March 2007
Using Entrez
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eWWWAccess
Entrez&BLAST
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Genomes
Taxonomy
Entrez: Database Integration
PubMed abstracts
Nucleotide sequences
Protein sequences
3-D Structure
3 -D Structure
Word weight
VAST
BLASTBLAST
Phylogeny
Hard LinkNeighborsRelated Sequences
NeighborsRelated SequencesBLinkDomains
NeighborsRelated Structures
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Database Searching with Entrez
Using limits and field restriction to find human MutL homologLinking and neighboring with MutLMapping SNPs onto structure and the genome
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Global NCBI (Entrez) Search
Human hereditary nonpolyposis colon cancerHuman hereditary nonpolyposis colon cancer
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Global Entrez Search Results
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Nucleotide Sequences
Nucleotide database now three parts•EST expressed sequence tags•GSS genome survey sequences•CoreNucleotide everything else
Nucleotide database now three parts•EST expressed sequence tags•GSS genome survey sequences•CoreNucleotide everything else
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Advanced Search OptionsTabsTabs
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eMore Precise Nucleotides
Search
nonpolyposis[All Fields] AND colon cancer[Title] AND human[Organism] AND biomol_mrna[Properties] AND srcdb_refseq[Properties]nonpolyposis[All Fields] AND colon cancer[Title] AND human[Organism] AND biomol_mrna[Properties] AND srcdb_refseq[Properties]
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Useful Field Restrictions[Title]: Definition line in GenBank / GenPept format shown in Summary format
glyceraldehyde 3 phosphate dehydrogenase[Title]
[Organism]: NCBI’s taxonomy. Organizing system for molecular databases
mouse[organism]; green plants[organism]; Streptomyces coelicolor[organism]
[Properties]: molecule type, location, database source
biomol_mrna[properties]; biomol_genomic[properties]; gene_in_mitochondrion[properties]; srcdb pdb[properties]
[Filter]: subsets of data, Entrez links
all[filter]; nucleotide mapview[filter]; nucleotide omim[filter]
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Organism Field: NCBI’s Taxonomy
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Useful Properties Field Terms
Molecule type
biomol_mrna
biomol_genomic
GenBank division
gbdiv_est
gbdiv_htg
gbdiv_xxx
Gene location
gene_in_mitochondrion
gene_in_chloroplast
gene_in_genomic
Source Database
srcdb_refseq
srcdb_pdb
srcdb_swiss_prot
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Human MutL RefSeq
GenBank RecordsGenBank Records
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NM_000249: Links
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Literature Links
OMIM
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OMIM: Human Disease Genes
Conserved Domain
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Sequence Links
Finding Homologs and Structures
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Protein Link
BLAST LinkBLAST Link
Conserved DomainsConserved Domains
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BLink: BLAST Link
top 200 onlytop 200 only
Redundant GIsRedundant GIs
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BLink: non-redundant relatives
zebrafish homolog zebrafish homolog
BLASTBLAST
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Short Cut: Related Structures
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E. coli MutL Structure
Cn3D viewerCn3D viewer
Conserved DomainsConserved Domains
3D Domain Neighbors3D Domain Neighbors
Structure NeighborsStructure Neighbors
Pubchem compoundPubchem compound
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MLH1 Domain Structure: CDD
ATPase DomainATPase Domain
Mismatch Repair DomainMismatch Repair Domain
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MLH1: ATPase Domain
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Mapping Polymorphisms onto Structure
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eGeneView: Variations Human
MLH1
ATPase domain
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Related Structures
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Mapping Variation Onto Structure
Conserved Asn
AsnIle
Ile – Val
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Genome Resources
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NM_000249: Genome Links
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The Map Viewer
Genome BLASTGenome BLAST
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Map Viewer: Human MLH1CustomizableCustomizable
NCBI Assembly
EST Hits
Gene Annotations
Models
Transcripts
Download data and sequencesDownload data and sequences
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eSynteny: Mammalian Genomes
Albumin Gene FamilyAlbumin Gene Family
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Homologene
early globin gene
A-chain gene B-chain gene
frog A chick A mouse A mouse B chick B frog B
paralogsorthologs orthologs
gene duplication
• Completely Annotated Eukaryotic Genomes
• Homologous UniGene determined for other organisms
• Protein similarities first• Guided by taxonomic tree• Includes orthologs and paralogs
• Completely Annotated Eukaryotic Genomes
• Homologous UniGene determined for other organisms
• Protein similarities first• Guided by taxonomic tree• Includes orthologs and paralogs
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Homologene Cluster
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Rice Homolog
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The Gene Database• Gene Centered Information• Unifies LocusLink and microbial Genomes• 2.4 million records for 3,822 taxaHuman 38,603 Sea Urchin 30,603
Chimpanzee 31,502 Mosquito 13,763
Mouse 60,746 Fruit Fly 21,116
Rat 38,117 C. elegans 20,935
Dog 20,154 Fungi 168,802
Cow 23, 677 Green Plants 76,847
Chicken 18, 469 Archea 74,627
Zebrafish 38, 594 Bacteria 1,361,390
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Genes MLH1: One Stop Shopping
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Genes MLH1: One Stop Shopping (cont.)
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Genes: Display Options and Links