>3b9u_A mol:protein length:146 Heparin-binding growth factor 1 HHHHHHFNLPPGNYKKPKLLYCSNGGHFLRINPNGTVDGTRDRSDQHIQLQLSAESVGE VYIKSTETGQYLAMDTDGLLYGSQTPNEECLFLERLEENGYNTYISKKHAEKNWFVGLK KNGSCKRGPRTHYGQKAILFLPLPVSSD