Table 2.

Alignment of GGAA Sites in Known Regulatory Regions of Human Genes

Promoter Target Sequence In Vitro Binding Reference
−65 (βc 5′)  AAGA GGAA GCA  
−45 (βc 3′)  ATCA GGAA ACA  
GM-CSFRα  ATGA GGAA GCA  PU.1  50  
G-CSFR 5′ TTCA GGAA CTT  PU.1  49  
G-CSFR 3′  TCAA GAGA AGT PU.1  49  
M-CSFR  AAGG GGAA GAA  PU.1  48 
Myeloperoxidase 5′  GTAG GGAA AAG  PU.1  52 
Myeloperoxidase 3′  AAGG GGAA GCA  PU.1  52  
EDN 5′ GACA GGAA GTA  PU.1  38  
EDN 3′  TAAA GGAA ATG  PU.1 38  
E4TF1  AAAC GGAA GTG  GABP  31  
Neutrophil elastase  GGGA GGAA GTA  GABP  55  
cMyc 3′  GACC GGAA GTG  Fli-1  58  
Polyoma virus enhancer  AGCA GGAA GTG Fli-1  58  
Consensus  DNVV GGAA VND 
Promoter Target Sequence In Vitro Binding Reference
−65 (βc 5′)  AAGA GGAA GCA  
−45 (βc 3′)  ATCA GGAA ACA  
GM-CSFRα  ATGA GGAA GCA  PU.1  50  
G-CSFR 5′ TTCA GGAA CTT  PU.1  49  
G-CSFR 3′  TCAA GAGA AGT PU.1  49  
M-CSFR  AAGG GGAA GAA  PU.1  48 
Myeloperoxidase 5′  GTAG GGAA AAG  PU.1  52 
Myeloperoxidase 3′  AAGG GGAA GCA  PU.1  52  
EDN 5′ GACA GGAA GTA  PU.1  38  
EDN 3′  TAAA GGAA ATG  PU.1 38  
E4TF1  AAAC GGAA GTG  GABP  31  
Neutrophil elastase  GGGA GGAA GTA  GABP  55  
cMyc 3′  GACC GGAA GTG  Fli-1  58  
Polyoma virus enhancer  AGCA GGAA GTG Fli-1  58  
Consensus  DNVV GGAA VND 

Elements −65 and −45 are aligned with Ets-binding sites of hematopoietic specific genes (except cMyc and polyoma virus enhancer). Because the sequences flanking the well-conserved GGAA core are highly diverse, no real consensus binding site for a particular Ets family member is present. Elements −65 and −45 have highest homology with the PU.1-binding GGAA site of the GM-CSFα promoter.

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