>4ks4A (A:) observed residues (from ATOM records)
tymnnteaicdvkgfapfskdngirigsrghifvirepfvscspiecrtffltqgsllnd
khsngtvkdrspfrtlmsvkvgqspnvyqarfeavawsatachdgkkwmtvgvtgpdska
vavihyggvptdvinswagdilrtqessctciqgdcywvmtdgpanrqaqyriykanqgr
iigqadisfngghieecscypndgkvecvcrdnwtgtnrpvlvispdlsyrvgylcagip
sdtprgedaqftgsctspmgnqgygvkgfgfrqgtdvwmgrtisrtsrsgfeilrikngw
tqtskeqvrkqvvvdnlnwsgysgsftlpvelsgkdclvpcfwvemirgkpeektiwtss
ssivmcgvdyeiadwswhdgailpfdidk