>1svxB (B:) observed residues (from ATOM records)
gklviwingdkgynglaevgkkfekdtgikvtvehpdkleekfpqvaatgdgpdiifwah
drfggyaqsgllaeitpdkafqdklypftwdavryngkliaypiavealsliynkdllpn
ppktweeipaldkelkakgksalmfnlqepyftwpliaadggyafkyengkydikdvgvd
nagakagltflvdliknkhmnadtdysiaeaafnkgetamtingpwawsnidtskvnygv
tvlptfkgqpskpfvgvlsaginaaspnkelakeflenylltdegleavnkdkplgaval
ksyeeelakdpriaatmenaqkgeimpnipqmsafwyavrtavinaasgrqtvdealkda
qtgsggtpg