Chains and heterogens:
PDB Chain Sequences:
>1svb_ (-) srcthlenrdfvtgtqgttrvtlvlelggcvtitaegkpsmdvwldaiyqenpaktreyc lhaklsdtkvaarcptmgpatlaeehqggtvckrdqsdrgwgnhcglfgkgsivacvkaa ceakkkatghvydankivytvkvephtgdyvaanethsgrktasftissektiltmgeyg dvsllcrvasgvdlaqtvileldktvehlptawqvhrdwfndlalpwkhegaqnwnnaer lvefgaphavkmdvynlgdqtgvllkalagvpvahiegtkyhlksghvtcevgleklkmk gltytmcdktkftwkraptdsghdtvvmevtfsgtkpcripvravahgspdvnvamlitp nptienngggfiemqlppgdniiyvgelshqwfqk