Chains and heterogens:
PDB Chain Sequences:
>1h4vB (B:) mtaravrgtkdlfgkelrmhqrivatarkvleaagalelvtpifeetqvfekgvgaatdi vrkemftfqdrggrsltlrpegtaamvraylehgmkvwpqpvrlwmagpmfraerpqkgr yrqfhqvnyealgsenpildaeavvllyeclkelglrrlkvklssvgdpedrarynaylr evlsphrealsedskerleenpmrildskserdqallkelgvrpmldflgeearahlkev erhlerlsvpyelepalvrgldyyvrtafevhheeigaqsalggggrydglsellggprv pgvgfafgvervalaleaegfglpeekgpdlyliplteeavaeafylaealrprlraeya laprkpakgleealkrgaafagflgedelragevtlkrlatgeqvrlsreevpgyllqal g
>1h4vB (B:) taravrgtkdlfgkelrmhqrivatarkvleaagalelvtpifeetqvfekgvgakemft fqdrggrsltlrpegtaamvraylehgmkvwpqpvrlwmagpmfraerpyrqfhqvnyea lgsenpildaeavvllyeclkelglrrlkvklssvgdpedrarynaylrevlsphreals edskerleenpmrildskserdqallkelgvrpmldflgeearahlkeverhlerlsvpy elepalvrgldyyvrtafevhhsalggggrydglsellggprvpgvgfafgvervalale aegfglpeekgpdlyliplteeavaeafylaealrprlraeyalaprkpakgleealkrg aafagflgedelragevtlkrlatgeqvrlsreevpgyllqalg