>4gcvC (C:) observed residues (from ATOM records)
cpiarslervgewwsilimrdalqglrrfdefsrsldiapnmltrrlnalveagllerqp
ysyqyvptakgedfrvvlmafvawgnrhyaqqgqsvqlvertsgrpvrsfmaaladgrtv
pleqctvqagpaaseemrqrl