>1x9f_D mol:protein length:140 hemoglobin chain d1ECLVTESLKVKLQWASAFGHAHERVAFGLELWRDIIDDHPEIKAPFSRVRGDNIYSPEFGAHSQRVLSGLDITISMLDTPDMLAAQLAHLKVQHVERNLKPEFFDIFLKHLLHVLGDRLGTHFDFGAWHDCVDQIIDGIK