>3a4sB (B:) SEQRES residues
gplgsmsgialsrlaqerkawrkdhpfgfvavptknpdgtmnlmnwecaipgkkgtpweg
glfklrmlfkddypssppkckfepplfhpnvypsgtvclsileedkdwrpaitikqillg
iqellnepniqdpaqaeaytiycqnrveyekrvraqakkfaps