>4is3C (C:) observed residues (from ATOM records)
gmnlvqdkvtiitggtrgigfaaakifidngakvsifgetqeevdtalaqlkelypeeev
lgfapdltsrdavmaavgqvaqkygrldvminnagitsnnvfsrvseeefkhimdinvtg
vfngawcayqcmkdakkgviintasvtgifgslsgvgypaskasviglthglgreiirkn
irvvgvapgvvntdmtngnppeimegylkalpmkrmlepeeianvylflasdlasgitat
tvsvdgayrp