Hi, I am reporting a biomaRt error noted during some work. The code did not return the flanking sequences of a SNP. > getBM(attributes=c('refsnp_id', 'chr_name', 'chrom_start', 'allele', 'c57bl_6j', 'cast_eij', 'upstream_flank','downstream_flank'), filters=c("snp_filter"), values=( "rs6171921" ), mart = snpmart)->sps Variation Name Chromosome name Position on Chromosome (bp) Variant Alleles C57BL/6J CAST/EiJ 1 rs6171921 2 157329549 G/A G A Error in getBM(attributes = c("refsnp_id", "chr_name", "chrom_start", : The query to the BioMart webservice returned an invalid result: the number of columns in the result table does not equal the number of attributes in the query. Please report this to the mailing list. > sessionInfo() R version 2.15.2 (2012-10-26) Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit) locale: [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] biomaRt_2.14.0 loaded via a namespace (and not attached): [1] annotate_1.36.0 AnnotationDbi_1.20.2 Biobase_2.18.0 BiocGenerics_0.4.0 DBI_0.2-5 DESeq_1.10.1 [7] genefilter_1.40.0 geneplotter_1.36.0 grid_2.15.2 IRanges_1.16.4 lattice_0.20-10 parallel_2.15.2 [13] RColorBrewer_1.0-5 RCurl_1.95-3 RSQLite_0.11.2 splines_2.15.2 stats4_2.15.2 survival_2.36-14 [19] XML_3.95-0.1 xtable_1.7-0 Thank you. best wishes, Chris [[alternative HTML version deleted]]