| CircuitsDB | Homo sapiens, Mus musculus. | http://biocluster.di.unito.it/... |
| dbSMR | Homo sapiens. | http://miracle.igib.res.in/pol... |
| DIANA miRPath v.2.0 | Homo sapiens, Drosophila melanogaster, Caenorhabditis elegans. | http://www.microrna.gr/miRPath... |
| doRiNA | Homo sapiens, Mus musculus, Drosophila melanogaster, Caenorhabditis elegans. | http://dorina.mdc-berlin.de |
| ExprTargetDB | Homo sapiens. | http://www.scandb.org/apps/mic... |
| HOCTARdb | Homo sapiens. | http://hoctar.tigem.it/ |
| IntmiR | Homo sapiens, Mus musculus. | http://rgcb.res.in/intmir/ |
| MicroPC | Arabidopsis Thaliana, Brassica rapa, Glycine Max, Lycopersicon esculentum, Medicago truncatula, Oryza sativa and 121 others. | http://konulab.fen.bilkent.edu... |
| microRNA.org | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Drosophila melanogaster, Caenorhabditis elegans. | http://www.microrna.org/ |
| mimiRNA | Homo sapiens. | http://mimirna.centenary.org.a... |
| miR2Disease | Homo sapiens. | http://www.mir2disease.org/ |
| MIR@NT@N | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes. | http://mironton.uni.lu/ |
| miRĂ² | Homo sapiens. | http://ferrolab.dmi.unict.it/m... |
| miRBase | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes and 151 others. | http://www.mirbase.org/ |
| miRDB | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Gallus gallus. | http://www.mirdb.org/ |
| mirDIP | Homo sapiens, Rattus norvegicus, Mus musculus, Saccharomyces cerevisiae, Kaposi sarcoma-associated herpesvirus, Musca domestica. | http://ophid.utoronto.ca/mirDI... |
| miRecords | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Gallus gallus. | http://mirecords.biolead.org/ |
| miReg | Homo sapiens. | http://www.iioab-mireg.webs.co... |
| miRGator | Homo sapiens. | http://mirgator.kobic.re.kr/ |
| mirGen | Homo sapiens, Mus musculus. | http://www.microrna.gr/mirgen/ |
| miRHrt | Mus musculus, Danio rerio, Gallus gallus. | http://sysbio.suda.edu.cn/mirh... |
| miRNAMap | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Danio rerio, Takifugu rubripes. | http://mirnamap.mbc.nctu.edu.t... |
| miRNApath | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus. | http://lgmb.fmrp.usp.br/mirnap... |
| miRSel | Homo sapiens, Rattus norvegicus, Mus musculus. | http://services.bio.ifi.lmu.de... |
| miRTarBase | Homo sapiens, Rattus norvegicus, Mus musculus, Danio rerio, Gallus gallus, Drosophila melanogaster and 11 others. | http://mirtarbase.mbc.nctu.edu... |
| miRWalk | Homo sapiens, Rattus norvegicus, Mus musculus. | http://www.ma.uni-heidelberg.d... |
| miSolRNA | Solanum lycopersicum. | http://www.misolrna.org/ |
| miTALOS | Homo sapiens, Mus musculus. | http://mips.helmholtz-muenchen... |
| Patrocles | Homo sapiens, Rattus norvegicus, Canis familiaris, Mus musculus, Gallus gallus, Bos Taurus. | http://www.patrocles.org/ |
| PmiRKB | Arabidopsis Thaliana, Oryza sativa. | http://bis.zju.edu.cn/pmirkb/ |
| PMRD | Arabidopsis Thaliana, Brassica rapa, Dictyostelium discoideum, Glycine Max, Medicago truncatula, Oryza sativa and 121 others. | http://bioinformatics.cau.edu.... |
| PolymiRTS | Homo sapiens, Mus musculus. | http://compbio.uthsc.edu/miRSN... |
| siRNAdb | Homo sapiens. | http://sirna.sbc.su.se/ |
| sRNAmap | Escherichia coli, Pectobacterium atrosepticum, Photorhabdus luminescens, Salmonella species, Serratia species, Shigella species and 9 others. | http://srnamap.mbc.nctu.edu.tw... |
| Ssa miRNAs DB | Salmo salar. | http://www.molgenv.com/ssa_mir... |
| TarBase | Homo sapiens, Rattus norvegicus, Mus musculus, Danio rerio, Drosophila melanogaster, Caenorhabditis elegans. | http://diana.cslab.ece.ntua.gr... |
| The MIT/ICBP siRNA Database | Homo sapiens, Mus musculus. | http://web.mit.edu/sirna/ |
| vHoT | Homo sapiens, Rattus norvegicus, Mus musculus, Macaca mulatta, Bos Taurus, Viruses. | http://best.snu.ac.kr/vhot/ |