PSIBLAST alignment of GI: 254780957 and protein with PDB id: 1boz

>gi|3660048|pdb|1BOZ|A Chain A, Structure-Based Design And Synthesis Of Lipophilic 2,4- Diamino-6-Substituted Quinazolines And Their Evaluation As Inhibitors Of Dihydrofolate Reductase And Potential Antitumor Agents Length = 186
>gi|157831327|pdb|1HFP|A Chain A, Comparison Of Ternary Crystal Complexes Of Human Dihydrofolate Reductase With Nadph And A Classical Antitumor Furopyrimdine Length = 186

 Score =  125 bits (314), Expect = 2e-27,   Method: Composition-based stats.
 Identities = 47/183 (25%), Positives = 90/183 (49%), Gaps = 21/183 (11%)

Query: 6   IILIAAITRNNVIGSCGGMPWK-ISSDLKRFKSLTT-------GNPVVMGYRTFQSIG-- 55
           +  I A+++N  IG  G +PW  + ++ + F+ +TT        N V+MG +T+ SI   
Sbjct: 4   LNCIVAVSQNMGIGKNGDLPWPPLRNEGRYFQRMTTTSSVEGKQNLVIMGKKTWFSIPEK 63

Query: 56  -RLLPGRTNIIITRDNTRRASVNPEAVLASSILDSLDLASK----TGSKKIFIIGGGEIY 110
            R L GR N++++R    +        L+ S+ D+L L  +         ++I+GG  +Y
Sbjct: 64  NRPLKGRINLVLSR--ELKEPPQGAHFLSRSLDDALKLTEQPELANKVDMVWIVGGSSVY 121

Query: 111 AQTISLAH--TLYITHIEKEIEGDVFFPSIDSNIWKK--QEKEIITSAGEGDDYPTRFVI 166
            + ++      L++T I ++ E D FFP ID   +K   +   +++   E      +F +
Sbjct: 122 KEAMNHPGHLKLFVTRIMQDFESDTFFPEIDLEKYKLLPEYPGVLSDVQEEKGIKYKFEV 181

Query: 167 YDR 169
           Y++
Sbjct: 182 YEK 184