>2z91A (A:) SEQRES residues qllesgpdlvkpsqslsltctvtgysitsgynwhwirqfpgnklewmgyihyrgttnynt slksrisitrdssknqfflqlnsvttedtatyycacddfysdywgqgtivtvssakttpp svyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlss svtvpsstwpsetvtcnvahpasstkvdkkivprdcts