Houses gene lists from Broad Institute Molecular Signatures Database. They do want to keep track of their user counts so you might want to log in there as well. Note that there is an msigdbr package that is also uploaded to CRAN that provides similar funcitonality.
devtools::install_github('oganm/MSigDB')library(MSigDB)
names(MSigDB)## [1] "human" "mouse"
names(MSigDB$human)## [1] "C1" "C2" "C3" "C4" "C6" "C7"
## [7] "C8" "ARCHIVED" "C5" "H"
head(names(MSigDB$human$H))## [1] "HALLMARK_TNFA_SIGNALING_VIA_NFKB" "HALLMARK_HYPOXIA"
## [3] "HALLMARK_CHOLESTEROL_HOMEOSTASIS" "HALLMARK_MITOTIC_SPINDLE"
## [5] "HALLMARK_WNT_BETA_CATENIN_SIGNALING" "HALLMARK_TGF_BETA_SIGNALING"
MSigDB$human$H$HALLMARK_PEROXISOME## [1] "ABCD3" "ACOT8" "ACOX1" "ACSL1" "ECH1" "ECI2"
## [7] "EHHADH" "GSTK1" "HSD17B4" "MLYCD" "PEX11A" "RETSAT"
## [13] "SLC27A2" "PEX13" "PEX14" "SCP2" "HSD3B7" "GNPAT"
## [19] "ABCD2" "SLC25A17" "PEX2" "ACAA1" "HAO2" "HSD17B11"
## [25] "CRAT" "PEX11B" "LONP2" "IDH1" "FIS1" "PEX6"
## [31] "ABCB4" "SOD1" "ABCB1" "ISOC1" "YWHAH" "EPHX2"
## [37] "ABCD1" "HMGCL" "ACSL5" "ALDH9A1" "DHCR24" "ELOVL5"
## [43] "NUDT19" "PRDX5" "CTPS1" "IDE" "SLC23A2" "PEX5"
## [49] "BCL10" "NR1I2" "TSPO" "CNBP" "MSH2" "DHRS3"
## [55] "DIO1" "SLC25A4" "PRDX1" "IDI1" "HRAS" "MVP"
## [61] "ABCC8" "CLN6" "CAT" "ACSL4" "IDH2" "ABCC5"
## [67] "SOD2" "SLC35B2" "FDPS" "ALB" "FADS1" "STS"
## [73] "SMARCC1" "ITGB1BP1" "SIAH1" "SLC25A19" "CDK7" "RXRG"
## [79] "ALDH1A1" "UGT2B17" "CADM1" "SERPINA6" "CLN8" "RDH11"
## [85] "CTBP1" "HSD11B2" "TTR" "ERCC3" "ATXN1" "SULT2B1"
## [91] "CRABP2" "CRABP1" "TOP2A" "SCGB1A1" "ERCC1" "DLG4"
## [97] "PABPC1" "FABP6" "ABCB9" "CACNA1B" "SEMA3C" "VPS4B"
## [103] "CEL" "ESR2"
## attr(,"description")
## GENESET
## "Genes encoding components of peroxisome."
getMSigInfo function simply navigates to the broad institute website
with the relevant data
getMSigInfo('HALLMARK_PEROXISOME','human')