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<!DOCTYPE html> <html lang="en-gb"> <head> <title>Help - Frequently Asked Questions - Homo_sapiens - Ensembl genome browser 113</title> <link rel="stylesheet" type="text/css" media="all" href="/minified/98adc89a8b4418c03a4c81d5bf76272d.css"/><link rel="stylesheet" type="text/css" media="all" href="/minified/9bafd8bb591fb39bcb766b0160434c45.image.css"/> <link href="/i/ensembl-favicon.png" rel="icon" type="image/png" /> <link href="/apple-touch-icon.png" type="image/png" rel="apple-touch-icon" /> <link title="Ensembl (All)" href="//useast.ensembl.org/opensearch/all.xml" type="application/opensearchdescription+xml" rel="search" /> <meta name="google-site-verification" content="tG3WW0bg9gNaIHH002gJl-fV2k0bzf-ZxC8pBqXTaNo" /> <meta name="viewport" content="target-densitydpi=device-dpi, width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=yes" /> <script>var prefetch = ['/minified/8b49a46e34da8ff984905ba1470c2f54.png','/minified/9cf07063d9febd1e9344ca4a6cc02cb1.png','/minified/ff8270b50aa958c83f1fe0c29e61a75a.png','/minified/95cdc75b8720f22b080d415a4915e7a1.png','/minified/f37021b24ed3c44d7252707733a6c8e3.png','/minified/79a5fb49f716554891451d08438ee679.png','/minified/d2faa6d6cba3f9fe2b841c9ca08bb867.jpg'];</script> <script defer type="text/javascript" src="/minified/9239335eaf61b74631521a0b68948ac7.js"></script> <script defer type="text/javascript" src="/minified/725a4b78c3f6c26655a50fb3dd6b1888.js"></script> </head> <body id="ensembl-webpage" data-pace="2" class="pop ie ie7 ie67 no_tabs"> <div id="min_width_container"> <div id="min_width_holder">   <div id="masthead" class="js_panel"> <input type="hidden" class="panel_type" value="Masthead" /> <div class="logo_holder"><a href="/"><div class="logo-header print_hide" title="Ensembl mirror"> </div></a><img src="/i/e-ensembl_print.gif" alt="Ensembl mirror" title="Ensembl mirror" class="screen_hide_inline" style="width:170px;height:45px" /></div> <div class="mh print_hide"> <div class="account_holder"></div> <div class="tools_holder"></div> <div class="search_holder print_hide"></div> </div> </div> <div id="main_holder"> <div id="page_nav_wrapper"> <div id="page_nav" class="nav print_hide js_panel floating"> <input type="hidden" class="panel_type" value="LocalContext" /> <div class="header">Help</div> <ul class="local_context"><li class="top_level"><img src="/i/leaf.gif" alt="" /><a title="Search" class="Search" href="/Multi/Help/Search?db=core">Search</a></li><li class="parent top_level"><img src="/i/open.gif" alt="" class="toggle Help_topics" /><span class="disabled">Help topics</span><ul><li class="active"><img src="/i/leaf.gif" alt="" /><a class="Frequently_Asked_Questions" title="Frequently Asked Questions" href="/Multi/Help/Faq?db=core">Frequently Asked Questions</a></li><li class=""><img alt="" src="/i/leaf.gif" /><a title="Video Tutorials" class="Video_Tutorials" href="/Multi/Help/Movie?db=core">Video Tutorials</a></li><li class="last"><img src="/i/leaf.gif" alt="" /><a title="Glossary" class="Glossary" href="/Multi/Help/Glossary?db=core">Glossary</a></li></ul></li><li class="last top_level"><img alt="" src="/i/leaf.gif" /><a href="/Multi/Help/Contact?db=core" title="Contact HelpDesk" class="Contact_HelpDesk">Contact HelpDesk</a></li></ul> <p class="invisible">.</p> </div> </div> <div id="main"> <div class="panel js_panel"> <input type="hidden" class="panel_type" value="Content" /> <div class="content"><div class="session_messages js_panel"><input type="hidden" class="panel_type" value="Message"></div><h2>FAQs</h2></ul> <h3>Archives</h3> <ul> <li><a href="/Help/Faq?id=187" id="faq187" class="popup">Where are older or archive sites?</a></li> <li><a href="/Help/Faq?id=126" id="faq126" class="popup">I have a list of old Ensembl IDs from a previous release. How can I find their IDs in the current version?</a></li> <li><a href="/Help/Faq?id=432" id="faq432" class="popup">When is new data (eg new dbSNP build, a genome assembly, or updated ENCODE data) released on Ensembl ?</a></li> </ul> <h3>Genome assemblies</h3> <ul> <li><a href="/Help/Faq?id=216" id="faq216" class="popup">What is a genome assembly?</a></li> <li><a href="/Help/Faq?id=286" id="faq286" class="popup">What human genome assembly and coordinate system is Ensembl using?</a></li> <li><a href="/Help/Faq?id=291" id="faq291" class="popup">What haplotypes and assembly patches can I see for human?</a></li> </ul> <h3>Compara API</h3> <ul> <li><a href="/Help/Faq?id=192" id="faq192" class="popup">How can I obtain the constrained elements, i.e the conserved sequences, for multiple species?</a></li> <li><a href="/Help/Faq?id=221" id="faq221" class="popup">Can I get the conservation scores (GERP scores) for nucleotides in whole genome alignments?</a></li> </ul> <h3>Comparative genomics</h3> <ul> <li><a href="/Help/Faq?id=186" id="faq186" class="popup">How do I see multi-species comparisons?</a></li> <li><a href="/Help/Faq?id=190" id="faq190" class="popup">How does Ensembl determine homology relationships?</a></li> <li><a href="/Help/Faq?id=193" id="faq193" class="popup">Can I view syntenic regions in Ensembl?</a></li> <li><a href="/Help/Faq?id=194" id="faq194" class="popup">I would like a list of homologues to my gene. Should I look at the gene trees or the families?</a></li> </ul> <h3>Core API</h3> <ul> <li><a href="/Help/Faq?id=567" id="faq567" class="popup">I have an error message when I try to connect to the Perl API.</a></li> </ul> <h3>Export, uploads and downloads</h3> <ul> <li><a href="/Help/Faq?id=125" id="faq125" class="popup">How do I convert IDs? I have ENSG... IDs and I would like HGNC symbols and EntrezGene IDs along with matching Affymetrix platform HC G110 probes.</a></li> <li><a href="/Help/Faq?id=130" id="faq130" class="popup">How can I export sequence?</a></li> <li><a href="/Help/Faq?id=215" id="faq215" class="popup">How can I download all the gene/transcript/protein sequences for a species? Do I use BioMart?</a></li> <li><a href="/Help/Faq?id=422" id="faq422" class="popup">I've created a customised view in Ensembl. Can I share this with my colleagues and collaborators by email?</a></li> <li><a href="/Help/Faq?id=281" id="faq281" class="popup">Can I install a local copy of the Ensembl database(s)?</a></li> <li><a href="/Help/Faq?id=462" id="faq462" class="popup">Can I export a nice picture of my data in Ensembl?</a></li> <li><a href="/Help/Faq?id=502" id="faq502" class="popup">I would like to export an image of a particular view in Ensembl. Which image export option should I use?</a></li> <li><a href="/Help/Faq?id=476" id="faq476" class="popup">Ensembl BioMart shows results for protein-coding genes when protein-associated attributes are chosen.  Non-coding genes that pass filters will not be shown in the results if certain protein-associated attributes are chosen. Why does this occur?</a></li> </ul> <h3>Genes</h3> <ul> <li><a href="/Help/Faq?id=185" id="faq185" class="popup">Can I view exons, introns, and flanking sequence to a transcript?</a></li> <li><a href="/Help/Faq?id=152" id="faq152" class="popup">What is the difference between Ensembl, Havana and Ensembl/Havana merged transcripts? And what does known and novel mean?</a></li> <li><a href="/Help/Faq?id=276" id="faq276" class="popup">Which transcript should I use?</a></li> <li><a href="/Help/Faq?id=294" id="faq294" class="popup">How do I access RefSeq annotation in Ensembl?</a></li> <li><a href="/Help/Faq?id=301" id="faq301" class="popup">My gene has changed, and I don't know why.</a></li> <li><a href="/Help/Faq?id=303" id="faq303" class="popup">What is GENCODE?</a></li> <li><a href="/Help/Faq?id=472" id="faq472" class="popup">How can I view RNASeq data in Ensembl?  </a></li> <li><a href="/Help/Faq?id=465" id="faq465" class="popup">I've identified some new genes/transripts/RNASeq reads and would like them to be added to the Ensembl gene set. How do I submit them?</a></li> <li><a href="/Help/Faq?id=468" id="faq468" class="popup">What do the different biotypes in Ensembl mean?</a></li> </ul> <h3>Regulation</h3> <ul> <li><a href="/Help/Faq?id=385" id="faq385" class="popup">Where can I find DNA Methylation data?</a></li> <li><a href="/Help/Faq?id=386" id="faq386" class="popup">How can I view and download gene regulation data... and where did it come from?</a></li> <li><a href="/Help/Faq?id=599" id="faq599" class="popup">How do I download the promoter sequence for my gene of interest?</a></li> </ul> <h3>Variation</h3> <ul> <li><a href="/Help/Faq?id=298" id="faq298" class="popup">Where are disease and phenotype associations from OMIM (for human)?</a></li> <li><a href="/Help/Faq?id=300" id="faq300" class="popup">What is an LRG?</a></li> <li><a href="/Help/Faq?id=532" id="faq532" class="popup">What do the population codes for human allele frequencies mean?</a></li> <li><a href="/Help/Faq?id=438" id="faq438" class="popup">How do you define the cut-off between an indel and a structural variant?</a></li> <li><a href="/Help/Faq?id=367" id="faq367" class="popup"> Does Ensembl report variation alleles on the forward strand or reverse strand? </a></li> <li><a href="/Help/Faq?id=433" id="faq433" class="popup">What does the evidence status mean for a variant?</a></li> </ul> <h3>Other data</h3> <ul> <li><a href="/Help/Faq?id=148" id="faq148" class="popup">How do I view clone sets, such as BACs?</a></li> <li><a href="/Help/Faq?id=334" id="faq334" class="popup">Why do I see different hits when I use BLAT or BLAST from Ensembl, UCSC, and NCBI?</a></li> <li><a href="/Help/Faq?id=335" id="faq335" class="popup">What styles are available for the data tracks in views like Region in detail?</a></li> <li><a href="/Help/Faq?id=392" id="faq392" class="popup">How do I cite Ensembl?</a></li> <li><a href="/Help/Faq?id=429" id="faq429" class="popup">What are the differences between BLAST and BLAT?</a></li> <li><a href="/Help/Faq?id=431" id="faq431" class="popup">What is an Ensembl release?</a></li> <li><a href="/Help/Faq?id=488" id="faq488" class="popup">I have an Ensembl ID, what can I tell about it from the ID?</a></li> </ul><hr /><p style="margin-top:1em">If you have any other questions about Ensembl, please do not hesitate to <a href="/Help/Contact" class="popup">contact our HelpDesk</a>. You may also like to subscribe to the <a href="//www.ensembl.org/info/about/contact/mailing.html" class="cp-external">developers' mailing list</a>.</p><div class="session_messages js_panel"><input type="hidden" class="panel_type" value="Message"></div></div><p class="invisible">.</p> </div> </div> <div id="footer"> <div class="column-wrapper"> <p class="invisible">.</p> </div> <div class="column-wrapper"> <p class="invisible">.</p> </div> </div> </div> </div> </div> <form id="core_params" action="#" style="display:none"> <fieldset><input type="hidden" name="db" value="core" /></fieldset> </form> <input type="hidden" id="species_path" name="species_path" value="/Multi" /> <input type="hidden" id="gdpr_version" name="gdpr_version" value="2.0.0" /> <input type="hidden" id="gdpr_policy_url" name="gdpr_policy_url" value="https://www.ensembl.org/info/about/legal/privacy.html" /> <input type="hidden" id="gdpr_terms_url" name="gdpr_terms_url" value="https://www.ebi.ac.uk/about/terms-of-use" /> 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value=Ciona_intestinalis|Oryzias_javanicus|Poecilia_formosa|Salarias_fasciatus|Caenorhabditis_elegans|Stegastes_partitus|Pogona_vitticeps|Sus_scrofa_duroc|Mandrillus_leucophaeus|Spermophilus_dauricus|Phasianus_colchicus|Rhinopithecus_bieti|Cynoglossus_semilaevis|Otolemur_garnettii|Mus_musculus_CBA_J|Mus_musculus_AKR_J|Salmo_salar_north_american_origin_brian|Takifugu_rubripes|Mastacembelus_armatus|Amazona_collaria|Gasterosteus_aculeatus_marine_syl|Gambusia_affinis|Amphiprion_percula|Sus_scrofa_nihs_2020|Sus_scrofa_wuzhishan|Ovis_aries_qiaoke|Bos_mutus|Electrophorus_electricus|Strix_occidentalis_caurina|Piliocolobus_tephrosceles|Lates_calcarifer|Felis_catus|Larimichthys_crocea|Buteo_japonicus|Monopterus_albus|Ursus_maritimus|Chlorocebus_sabaeus|Maylandia_zebra|Haplochromis_burtoni|Parus_major|Cyprinus_carpio_huanghe|Sus_scrofa_meishan|Sus_scrofa_bamei|Capra_hircus_xinong_saanen_dairy|Geospiza_fortis|Oreochromis_aureus|Dromaius_novaehollandiae|Equus_asinus|Serinus_canaria|Gallus_gallus_GCA_016700215.2|Bos_taurus|Sus_scrofa|Pelusios_castaneus|Monodelphis_domestica|Rattus_norvegicus|Oryzias_melastigma|Cairina_moschata_domestica|Astatotilapia_calliptera|Vulpes_vulpes|Cricetulus_griseus_chok1gshd|Betta_splendens|Pygocentrus_nattereri|Bison_bison_bison|Ovis_aries_east_friesian|Falco_tinnunculus|Camelus_dromedarius|Neolamprologus_brichardi|Bos_grunniens|Anas_zonorhyncha|Gorilla_gorilla|Pundamilia_nyererei|Tetraodon_nigroviridis|Lynx_canadensis|Theropithecus_gelada|Sinocyclocheilus_rhinocerous|Echinops_telfairi|Pelodiscus_sinensis|Octodon_degus|Drosophila_melanogaster|Oncorhynchus_tshawytscha|Otus_sunia|Seriola_lalandi_dorsalis|Myotis_lucifugus|Naja_naja|Tupaia_belangeri|Ursus_americanus|Periophthalmus_magnuspinnatus|Ovis_aries_polled_dorset|Calidris_pygmaea|Sus_scrofa_usmarc|Vombatus_ursinus|Fundulus_heteroclitus|Moschus_moschiferus|Sorex_araneus|Salmo_salar|Mus_musculus_WSB_EiJ|Hucho_hucho|Oncorhynchus_kisutch|Carlito_syrichta|Mus_musculus_LP_J|Lepisosteus_oculatus|Poecilia_mexicana|Sander_lucioperca|Heterocephalus_glaber_male|Sarcophilus_harrisii|Sus_scrofa_ningxiang|Ictalurus_punctatus|Callithrix_jacchus|Esox_lucius|Mus_musculus_CAST_EiJ|Physeter_catodon|Rhinopithecus_roxellana|Erinaceus_europaeus|Salvator_merianae|Cyclopterus_lumpus|Amphilophus_citrinellus|Salmo_salar_european_origin_alta|Manacus_vitellinus|Mus_musculus_BALB_cJ|Castor_canadensis|Nomascus_leucogenys|Pan_troglodytes|Canis_lupus_familiarisbasenji|Panthera_pardus|Gasterosteus_aculeatus|Phocoena_sinus|Pavo_cristatus|Suricata_suricatta|Capra_hircus|Mus_musculus|Peromyscus_maniculatus_bairdii|Oryctolagus_cuniculus|Pan_paniscus|Mus_musculus_A_J|Oryzias_latipes_hni|Echeneis_naucrates|Sus_scrofa_bama_miniature|Leptobrachium_leishanense|Gallus_gallus_GCA_000002315.5|Sus_scrofa_hampshire|Rattus_norvegicus_SHRSPBbbUtx|Anser_cygnoides|Ovis_aries_white_dorper|Cricetulus_griseus_picr|Salmo_trutta|Lonchura_striata_domestica|Podarcis_muralis|Ficedula_albicollis|Ovis_aries_kermani|Apteryx_owenii|Ovis_aries_chinese_merino|Panthera_leo|Sus_scrofa_ossabaw_miniature|Carassius_auratus|Cyprinodon_variegatus|Neovison_vison|Rattus_norvegicus_SHRUtx|Mus_musculus_PWK_PhJ|Crocodylus_porosus|Numida_meleagris|Terrapene_carolina_triunguis|Nothobranchius_furzeri|Loxodonta_africana|Junco_hyemalis|Homo_sapiens|Meriones_unguiculatus|Chinchilla_lanigera|Chelonoidis_abingdonii|Cebus_imitator|Sus_scrofa_largewhite|Anas_platyrhynchos|Apteryx_rowi|Apteryx_haastii|Clupea_harengus|Mus_pahari|Cyprinus_carpio_hebao_red|Scophthalmus_maximus|Gadus_morhua_celtic_sea|Cyanistes_caeruleus|Gallus_gallus|Bos_taurus_hybrid|Acanthochromis_polyacanthus|Meleagris_gallopavo|Corvus_moneduloides|Cavia_aperea|Cercocebus_atys|Sparus_aurata|Gopherus_agassizii|Rattus_norvegicus_WKYBbb|Poecilia_latipinna|Canis_lupus_familiarisgermanshepherd|Labrus_bergylta|Camarhynchus_parvulus|Bos_indicus_hybrid|Stachyris_ruficeps|Ovis_aries_texel|Saimiri_boliviensis_boliviensis|Cyprinus_carpio_german_mirror|Mus_musculus_FVB_NJ|Hippocampus_comes|Panthera_tigris_altaica|Astyanax_mexicanus_pachon|Ovis_aries_hu|Sphenodon_punctatus|Oryzias_sinensis|Capra_hircus_blackbengal|Nannospalax_galili|Microcebus_murinus|Sus_scrofa_berkshire|Pteropus_vampyrus|Xenopus_tropicalis|Ovis_aries_romanov|Varanus_komodoensis|Mus_spicilegus|Nothoprocta_perdicaria|Gopherus_evgoodei|Mus_musculus_NZO_HlLtJ|Phascolarctos_cinereus|Malurus_cyaneus_samueli|Kryptolebias_marmoratus|Astyanax_mexicanus|Danio_rerio|Coturnix_japonica|Canis_lupus_dingo|Ictidomys_tridecemlineatus|Latimeria_chalumnae|Pongo_abelii|Tursiops_truncatus|Anolis_carolinensis|Poecilia_reticulata|Colobus_angolensis_palliatus|Gadus_morhua|Sciurus_vulgaris|Cricetulus_griseus_crigri|Notamacropus_eugenii|Sphaeramia_orbicularis|Chrysemys_picta_bellii|Procavia_capensis|Sus_scrofa_euw1|Propithecus_coquereli|Ciona_savignyi|Athene_cunicularia|Cyprinus_carpio_carpio|Gasterosteus_aculeatus_marine_bam|Oncorhynchus_mykiss|Monodon_monoceros|Dasypus_novemcinctus|Anser_brachyrhynchus|Melopsittacus_undulatus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