Chains and heterogens:
PDB Chain Sequences:
>1ab4A (A:) vgralpdvrdglkpvhrrvlyamnvlgndwnkaykksarvvgdvigkyhphgdsavydti vrmaqpfslrymlvdgqgnfgsidgdsaaamryteirlakiahelmadleketvdfvdny dgtekipdvmptkipnllvngssgiavgmatnipphnltevingclayiddedisieglm ehipgpdfptaaiingrrgieeayrtgrgkvyiraraevevdaktgretiivheipyqvn karliekiaelvkekrvegisalrdesdkdgmrivievkrdavgevvlnnlysqtqlqvs fginmvalhhgqpkimnlkdiiaafvrhrrevvtrrtifelrkardrahilealavalan idpiielirhaptpaeaktalvanpwqlgnvaamleragddaarpewlepefgvrdglyy lteqqaqaildlrlqkltgleheklldeykelldqiaellrilgsadrlmevireelelv reqfgdkrrteit
>1ab4A (A:) vgralpdvrdglkpvhrrvlyamnvlgndwnkaykksarvvgdvigkyhphgdsavydti vrmaqpfslrymlvdgqgnfgsidgdsaaamryteirlakiahelmadleketvdfvdny dgtekipdvmptkipnllvngssgiavgmatnipphnltevingclayiddedisieglm ehipgpdfptaaiingrrgieeayrtgrgkvyiraraevevetiivheipyqvnkarlie kiaelvkekrvegisalrdesdkdgmriviegevvlnnlysqtqlqvsfginmvalhhgq pkimnlkdiiaafvrhrrevvtrrtifelrkardrahilealavalanidpiielirhap tpaeaktalvanpwqlgnvaamledaarpewlepefgvrdglyylteqqaqaildlrlqk ltgleheklldeykelldqiaellrilgsadrlmevireelelvreqfgdkrrteit