Chains and heterogens:
PDB Chain Sequences:
>1vfsA (A:) mnetptrvyaeidldavranvralraraprsalmavvksnayghgavpcaraaqeagaaw lgtatpeealelraagiqgrimcwlwtpggpwreaietdidvsvsgmwaldevraaaraa grtariqlkadtglgrngcqpadwaelvgaavaaqaegtvqvtgvwshfacadepghpsi rlqldafrdmlayaekegvdpevrhianspatltlpethfdlvrtglavygvspspelgt paqlglrpamtlraslalvktvpaghgvsyghhyvtesethlalvpagyadgiprnasgr gpvlvagkirraagriamdqfvvdlgedlaeagdeavilgdaergeptaedwaqaahtia yeivtriggrvprvylgglehhhhhh
>1vfsA (A:) etptrvyaeidldavranvralraraprsalmavvksnayghgavpcaraaqeagaawlg tatpeealelraagiqgrimcwlwtpggpwreaietdidvsvsgmwaldevraaaraagr tariqlkadtglgrngcqpadwaelvgaavaaqaegtvqvtgvwshfacadepghpsirl qldafrdmlayaekegvdpevrhianspatltlpethfdlvrtglavygvspspelgtpa qlglrpamtlraslalvktvpaghgvsyghhyvtesethlalvpagyadgiprnasgrgp vlvagkirraagriamdqfvvdlgedlaeagdeavilgdaergeptaedwaqaahtiaye ivtriggrvprvylgglehhhhh
>1vfsB (B:) mnetptrvyaeidldavranvralraraprsalmavvksnayghgavpcaraaqeagaaw lgtatpeealelraagiqgrimcwlwtpggpwreaietdidvsvsgmwaldevraaaraa grtariqlkadtglgrngcqpadwaelvgaavaaqaegtvqvtgvwshfacadepghpsi rlqldafrdmlayaekegvdpevrhianspatltlpethfdlvrtglavygvspspelgt paqlglrpamtlraslalvktvpaghgvsyghhyvtesethlalvpagyadgiprnasgr gpvlvagkirraagriamdqfvvdlgedlaeagdeavilgdaergeptaedwaqaahtia yeivtriggrvprvylgglehhhhhh
>1vfsB (B:) etptrvyaeidldavranvralraraprsalmavvksnayghgavpcaraaqeagaawlg tatpeealelraagiqgrimcwlwtpggpwreaietdidvsvsgmwaldevraaaraagr tariqlkadtglgrngcqpadwaelvgaavaaqaegtvqvtgvwshfacadepghpsirl qldafrdmlayaekegvdpevrhianspatltlpethfdlvrtglavygvspspelgtpa qlglrpamtlraslalvktvpaghgvsyghhyvtesethlalvpagyadgiprnasgrgp vlvagkirraagriamdqfvvdlgedlaeagdeavilgdaergeptaedwaqaahtiaye ivtriggrvprvylgglehhhh