>3a7dA (A:) observed residues (from ATOM records)
gdtkeqrilryvqqnakpgdpqsvleaidtyctqkewamnvgdakgqimdavireyspsl
vlelgaycgysavrmarllqpgarlltmemnpdyaaitqqmlnfaglqdkvtilngasqd
lipqlkkkydvdtldmvfldhwkdrylpdtlllekcgllrkgtvlladnvivpgtpdfla
yvrgsssfecthyssyleymkvvdglekaiyqgp