+-----------------------------------------------------MOD_ATT:N-N-----------------------------------------------------+                           
       +---------------------------------------MOD_ATT:N-N---------------------------------------+                                                                     |                           
       |         +----------------------------------MOD_ATT:N-N----------------------------------+                                                                     |                           
       |         |                               |           +------------MOD_ATT:N-N------------+----------------------------SUBJ:V_PASS-N----------------------------+                           
       |         +-------APPOS------+            |           +----------APPOS----------+         |                          +-----COMP_of:ADV-N----+                   +---COMP_in:V_PASS-N--+     
       |         |         +MOD_ATT:+            |           |            +-MOD_ATT:N-N+         +---SUBJ:V_PASS-N--+MOD:V_P+               +MOD_AT+                   |               +MOD_A+     
       |         |         |        |            |           |            |            |         |                  |       |               |      |                   |               |     |     
The GENEXXX , GENEXXX ( GENEXXX homologue ) , GENEXXX and GENEXXX ( oxidoreductase homologue ) genes , which are located upstream of the GENEXXX locus , have been identified in the SPXXX genome .
MOD:V_PASS-ADV (located,upstream)
MOD_ATT:N-N (genome,SPXXX)
COMP_of:ADV-N (upstream,locus)
SUBJ:V_PASS-N (located,genes)
MOD_ATT:N-N (identified,GENEXXX)
MOD_ATT:N-N (homologue,oxidoreductase)
MOD_ATT:N-N (genes,GENEXXX)
APPOS (GENEXXX,homologue)
MOD_ATT:N-N (genes,GENEXXX)
MOD_ATT:N-N (locus,GENEXXX)
APPOS (GENEXXX,homologue)
COMP_in:V_PASS-N (identified,genome)
MOD_ATT:N-N (genes,GENEXXX)
SUBJ:V_PASS-N (identified,genes)
MOD_ATT:N-N (homologue,GENEXXX)