>4b20_A mol:protein length:225 ENDONUCLEASE VMDYRQLHRWDLPPEEAIKVQNELRKKIKLTPYEGEPEYVAGVDLSFPGKEEGLAVIVVLEYPSFKILEVVSERGEITFPYIPGLLAFREGPLFLKAWEKLRTKPDVVVFDGQGLAHPRKLGIASHMGLFIEIPTIGVAKSRLYGTFKMPEDKRCSWSYLYDGEEIIGCVIRTKEGSAPIFVSPGHLMDVESSKRLIKAFTLPGRRIPEPTRLAHIYTQRLKKGLF