>1gkkB (B:) observed residues (from ATOM records)
sfkyesavqyrpapdsylnpcpqagrivketytgingtkslnvylpygydpnkkynifyl
mhgggenentifsndvklqnildhaimngeleplivvtptfnggnctaqnfyqefrqnvi
pfveskystyaesttpqgiaasrmhrgfggfsmgglttwyvmvncldyvayfmplsgdyw
ygnspqdkansiaeainrsglskreyfvfaatgsediayanmnpqieamkalphfdytsd
fskgnfyflvapgathwwgyvrhyiydalpyffhelehhhhhh