>1knb_ (-) SEQRES residues ndkltlwttpapspncrlnaekdakltlvltkcgsqilatvsvlavkgslapisgtvqsa hliirfdengvllnnsfldpeywnfrngdltegtaytnavgfmpnlsaypkshgktaksn ivsqvylngdktkpvtltitlngtqetgdttpsaysmsfswdwsghnyineifatssytf syiaqe