Sequence alignment between 3qqc(D) and UniProt seq Q8TZK1 (SPT5_PYRFU):

Q8TZK1 (SPT5_PYRFU): Transcription elongation factor Spt5 from Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MAGKIFAVRVTHGQEETTAKLIYSKVRTYNLPIYAILAPSRVKGYIFVEAPNKGVVDEAIRGIRHARGVLPGEVPFKEIEHFLEEKPAVSGLEPGDLVEVIAGPFKGQKAKVVKIDESKDEVVVQFIDAIVPIPVTIKGDYVRLISKLQKEE
PDB seq: ---KIFAVRVTHGQEETTAKLIYSKVRTYNLPIYAILAPSRVKGYIFVEAPNKGVVDEAIRGIRHARGVLPGEVPFKEIEHFLEE-------------------------------------------------------------------
            ------+---------+---------+---------+---------+---------+---------+---------+-----                                                                   
                 10        20        30        40        50        60        70        80