Chains and heterogens:
PDB Chain Sequences:
>3kexA (A:) gamkvlarifketelrklkvlgsgvfgtvhkgvwipegesikipvcikviedksgrqsfq avtdhmlaigsldhahivrllglcpgsslqlvtqylplgslldhvrqhrgalgpqlllnw gvqiakgmyyleehgmvhrnlaarnvllkspsqvqvadfgvadllppddkqllyseaktp ikwmalesihfgkythqsdvwsygvtvwelmtfgaepyaglrlaevpdllekgerlaqpq ictidvymvmvkcwmidenirptfkelaneftrmardpprylvikresgpgiapgpephg ltnkkleevelepeldldldleaee
>3kexA (A:) kvlarifketelrklkvlgsgvfgtvhkgvwipegesikipvcikviedksgrqsfqavt dhmlaigsldhahivrllglcpgsslqlvtqylplgslldhvrqhrgalgpqlllnwgvq iakgmyyleehgmvhrnlaarnvllkspsqvqvadfgvadllppddkqlltpikwmales ihfgkythqsdvwsygvtvwelmtfgaepyaglrlaevpdllekgerlaqpqictidvym vmvkcwmidenirptfkelaneftrmardpprylvikresgpgiapgpephg
>3kexB (B:) gamkvlarifketelrklkvlgsgvfgtvhkgvwipegesikipvcikviedksgrqsfq avtdhmlaigsldhahivrllglcpgsslqlvtqylplgslldhvrqhrgalgpqlllnw gvqiakgmyyleehgmvhrnlaarnvllkspsqvqvadfgvadllppddkqllyseaktp ikwmalesihfgkythqsdvwsygvtvwelmtfgaepyaglrlaevpdllekgerlaqpq ictidvymvmvkcwmidenirptfkelaneftrmardpprylvikresgpgiapgpephg ltnkkleevelepeldldldleaee
>3kexB (B:) kvlarifketelrklkvlgsgvfgtvhkgvwipegesikipvcikviedksgrqsfqavt dhmlaigsldhahivrllglcpgsslqlvtqylplgslldhvrqhrgalgpqlllnwgvq iakgmyyleehgmvhrnlaarnvllkspsqvqvadfgvadllppddkqtpikwmalesih fgkythqsdvwsygvtvwelmtfgaepyaglrlaevpdllekgerlaqpqictidvymvm vkcwmidenirptfkelaneftrmardpprylvikregpgiap