Chains and heterogens:
PDB Chain Sequences:
>1gtrA (A:) seaearptnfirqiidedlasgkhttvhtrfppepngylhighaksiclnfgiaqdykgq cnlrfddtnpvkedieyvesikndvewlgfhwsgnvryssdyfdqlhayaielinkglay vdeltpeqireyrgtltqpgknspyrdrsveenlalfekmraggfeegkaclrakidmas pfivmrdpvlyrikfaehhqtgnkwciypmydfthcisdalegithslctlefqdnrrly dwvldnitipvhprqyefsrlnleytvmskrklnllvtdkhvegwddprmptisglrrrg ytaasirefckrigvtkqdntiemaslesciredlnenapramavidpvklvienyqgeg emvtmpnhpnkpemgsrqvpfsgeiwidradfreeankqykrlvlgkevrlrnayvikae rvekdaegnittifctydadtlskdpadgrkvkgvihwvsaahalpveirlydrlfsvpn pgaaddflsvinpeslvikqgfaepslkdavagkafqferegyfcldsrhstaekpvfnr tvglrdtwakvge
>1gtrA (A:) tnfirqiidedlasgkhttvhtrfppepngylhighaksiclnfgiaqdykgqcnlrfdd tnpvkedieyvesikndvewlgfhwsgnvryssdyfdqlhayaielinkglayvdeltpe qireyrgtltqpgknspyrdrsveenlalfekmraggfeegkaclrakidmaspfivmrd pvlyrikfaehhqtgnkwciypmydfthcisdalegithslctlefqdnrrlydwvldni tipvhprqyefsrlnleytvmskrklnllvtdkhvegwddprmptisglrrrgytaasir efckrigvtkqdntiemaslesciredlnenapramavidpvklvienyqgegemvtmpn hpnkpemgsrqvpfsgeiwidradfreeankqykrlvlgkevrlrnayvikaervekdae gnittifctydadtlgvihwvsaahalpveirlydrlfsvpnpgaaddflsvinpeslvi kqgfaepslkdavagkafqferegyfcldsrhstaekpvfnrtvglrdt