[Genome] refseq table

[Jean-Baptiste]

Dear,

I am quite a newbie to USCS browser. I am particularly interested by 
downloading the information about human gene structure (exon, intron, 
promoter region, etc...).
I have downloaded the refFlat.txt file and I don't understand why some 
genes have several entries (i.e different number of exons and eventually 
different exon positions). For ex :

GAS2L1  +       28027550        28033328        28028649        
28033040        6       
28027550,28028630,28030982,28031181,28031370,28032005,    
28027730,28029282,28031090,28031278,28031542,28033328,
GAS2L1  +       28027550        28033328        28028649        
28031546        5       28027550,28028630,2803
0982,28031181,28031370,     28027697,28029282,28031090,28031278,28033

Thank you in advance for your help.

Jean-Baptiste Veyrieras