0	14	Identification	identification	NN
15	17	of	of	IN
18	28	nucleotide	nucleotide	NN
29	38	sequences	sequence	NNS
39	43	that	that	WDT
44	52	regulate	regulate	VBP
53	66	transcription	transcription	NN
67	69	of	of	IN
70	73	the	the	DT
74	79	MCF13	mcf13	NN
80	86	murine	murine	JJ
87	95	leukemia	leukemia	NN
96	101	virus	virus	NN
102	106	long	long	JJ
107	115	terminal	terminal	JJ
116	122	repeat	repeat	NN
123	125	in	in	IN
126	135	activated	activate	VBN
136	137	T	t	NN
138	143	cells	cell	NNS
143	144	.	.	.

146	149	The	the	DT
150	156	region	region	NN
157	167	downstream	downstream	JJ
168	170	of	of	IN
171	174	the	the	DT
175	183	enhancer	enhancer	NN
184	185	(	(	(
185	188	DEN	DEN	NNP
188	189	)	)	)
190	192	of	of	IN
193	196	the	the	DT
197	201	long	long	JJ
202	210	terminal	terminal	JJ
211	217	repeat	repeat	NN
218	220	of	of	IN
221	224	the	the	DT
225	229	mink	mink	NN
230	234	cell	cell	NN
235	248	focus-forming	focus-forming	JJ
249	255	murine	murine	JJ
256	264	leukemia	leukemia	NN
265	270	virus	virus	NN
271	273	is	be	VBZ
274	283	important	important	JJ
284	287	for	for	IN
288	293	viral	viral	JJ
294	307	pathogenicity	pathogenicity	NN
307	308	.	.	.

309	316	Another	another	DT
317	326	important	important	JJ
327	335	activity	activity	NN
336	338	of	of	IN
339	342	DEN	DEN	NNP
343	345	is	be	VBZ
346	349	its	its	PRP$
350	357	control	control	NN
358	360	of	of	IN
361	374	transcription	transcription	NN
375	377	in	in	IN
378	387	activated	activate	VBN
388	389	T	t	NN
390	395	cells	cell	NNS
395	396	,	,	,
397	400	and	and	CC
401	403	we	we	PRP
404	408	have	have	VBP
409	419	determined	determine	VBN
420	424	that	that	IN
425	427	an	an	DT
428	437	NF-kappaB	NF-kappaB	NNP
438	442	site	site	NN
443	445	is	be	VBZ
446	454	critical	critical	JJ
455	458	for	for	IN
459	463	this	this	DT
464	472	activity	activity	NN
472	473	.	.	.