SMAD-4 (51 co-regulatory partners)
SREBP-1	stomach	6.18102
OSF2	skin	6.33284
ELK-1	larynx	6.33644
HNF-3ALPHA	mammary_gland	6.33742
FREAC-3	colon	6.36304
AP-1	stomach	6.40234
LUN-1	soft_tissue	6.42595
HEB	testis	6.51734
MTF-1	mammary_gland	6.52705
LXR	testis	6.54426
TATA	muscle	6.66119
USF	bone_marrow	6.67593
NRF-1	testis	6.69208
C/EBP	brain	6.83891
HNF-1	liver	6.9151
TAL-1BETA/ITF-2	muscle	6.92527
TAX/CREB	brain	6.97379
P53	larynx	7.01157
ARNT	brain	7.17332
SREBP-1	bone_marrow	7.25261
TATA	skin	7.32522
TGIF	brain	7.34964
EGR-3	brain	7.35273
HIF-1	brain	7.46384
HEB	spleen	7.92618
AP-4	ovary	8.0026
ELK-1	bone_marrow	8.05007
RREB-1	eye	8.10958
LMO2_COMPLEX	brain	8.14417
NF-KAPPAB	bone_marrow	8.18212
TFII-I	mammary_gland	8.23629
SP3	brain	8.34605
EGR-1	brain	8.39635
NF-KAPPAB_(P65)	bladder	8.4613
MIF-1	skin	8.52813
E2F	brain	8.76484
MIF-1	brain	8.90361
C-ETS-1	lymph_node	9.03597
SF-1	muscle	9.09769
MAZ	ovary	9.2144
SRF	heart	9.24643
E2F-4/DP-1	brain	9.36224
HNF-1	kidney	9.99824
LBP-1	brain	10.1738
GR	brain	10.2943
SRF	larynx	10.3608
GCM	brain	11.3657
MEF-2	heart	11.4039
MTF-1	brain	11.4494
MEF-2	muscle	13.1354
RSRFC4	muscle	13.7407