GTRD comparison

Database	Number of TF ChIP-seq samples	Number of TFs	Species	ChIP-seq peak callers	Metacluster approach
GTRD v19.10	total: 30670* human: 13515*	total: 3376* human: 1339*	H. sapiens, M. musculus, R. norvegicus, D. melanogaster, C. elegans, D. rerio, S. pombe, S. cerevisiae, A. thaliana	MACS2, SISSRs, GEM, PICS	Yes
ChIP-Atlas	total: 22872* human: 10129*	total: 1972* human: 878*	H. sapiens, M. musculus, R. norvegicus, D. melanogaster, C. elegans, S. cerevisiae	MACS2	No
Cistrome DB	total: 24065* human: 13976*	total: Unknown human: Unknown	H. sapiens, M. musculus	MACS2	No
NGS-QC	total: 22398* human: 11597*	total: Unkonwn human: Unknown	H. sapiens, M. musculus, R. norvegicus, D. rerio, C. elegans, D. melanogaster, S. cerevisiae, A. thaliana, G. gallus, P. troglodytes	None	No
ENCODE	total: 3609* human: 2407	total: Unknown human: Unknown	H. sapiens, M. musculus, D. melanogaster, C. elegans	SPP	No
ChIPBase	total: 4300 human: 2498	total: 870 human: Unknown	H. sapiens, M. musculus, R. norvegicus, D. rerio, X. tropicalis, C. elegans, D. melanogaster, S. cerevisiae, A. thaliana, G. gallus	>10 in total, but no uniform pipeline, each ChIP-seq is processed by different peak caller	No
ReMap 2018 v1.2	total: 2829* human: 2829*	total: 485 human: 485	H. sapiens	MACS2	Yes (CRMs)
Factorbook	total: 1007 human: 837	total: 167 human: 51	H. sapiens, M. musculus	None	No

* TFs and others (without histone modifications).
** The number of ChIP-seq samples cannot be directly compared between databases as definition of sample may be distinct.