Chains and heterogens:
PDB Chain Sequences:
>1av4_ (-) aspfrlasageisevqgilrtagllgpekriaylgvldpargagseaedrrfrvfihdvs garpqevtvsvtngtvisaveldtaatgelpvleeefevveqllatderwlkalaarnld vskvrvaplsagvfeyaeergrrilrglafvqdfpedsawahpvdglvayvdvvskevtr vidtgvfpvpaehgnytdpeltgplrttqkpisitqpegpsftvtggnhiewekwsldvg fdvregvvlhniafrdgdrlrpiinrasiaemvvpygdpspirswqnyfdtgeylvgqya nslelgcdclgditylspvisdafgnpreirngicmheedwgilakhsdlwsginytrrn rrmvisffttignadygfywylyldgtiefeakatgvvftsafpeggsdnisqlapglga pfhqhifsarldmaidgftnrveeedvvrqtmgpgnergnafsrkrtvltreseavread artgrtwiisnpesknrlnepvgyklhahnqptlladpgssiarraafatkdlwvtryad deryptgdfvnqhsggaglpsyiaqdrdidgqdivvwhtfglthfprvedwpimpvdtvg fklrpegffdrspvldvpan