>3scrB (B:) observed residues (from ATOM records)
nwlgglsraafpkrfvfgtvtsayqvegmaasggrgpsiwdafahtpgnvagnqngdvat
dqyhrykedvnlmkslnfdayrfsiswsrifpdgegrvnqegvayynnlinyllqkgitp
yvnlyhydlplalekkyggwlnakmadlfteyadfcfktfgnrvkhwftfneprivallg
ydqgtnppkrctkcaaggnsatepyivahnfllshaaavaryrtkyqaaqqgkvgivldf
nwyealsnstedqaaaqrardfhigwyldplinghypqimqdlvkdrlpkftpeqarlvk
gsadyiginqytasymkgqqlmqqtptsysadwqvtyvfakngkpigpqansnwlyivpw
gmygcvnyikqkygnptvvitsngmdqpanlsrdqylrdttrvhfyrsyltqlkkaideg
anvagyfawslldnfewlsgytskfgivyvdfntlerhpkasaywfrdmlkh