PDB: 1b21 Compound: barnase Classification: HYDROLASE Entry date in PDB: 1998-12-09 Resolution [Å]: 2.00 R-Factor: 0.188

CHAIN: A SWISS-PROT/TREMBL: P00648    KEYWORD: 3D-structure    Endonuclease    Genetically modified food    Hydrolase    Nuclease    Signal    EC: 3.1.27.- SCOP: d.1.1.2 Alpha and beta proteins (a+b)    Microbial ribonucleases    Microbial ribonucleases    Bacterial ribonucleases    Barnase    Bacillus amyloliquefaciens GO:  endoribonuclease activity    RNA binding    CHAIN: B SWISS-PROT/TREMBL: P00648    KEYWORD: 3D-structure    Endonuclease    Genetically modified food    Hydrolase    Nuclease    Signal    EC: 3.1.27.- SCOP: d.1.1.2 Alpha and beta proteins (a+b)    Microbial ribonucleases    Microbial ribonucleases    Bacterial ribonucleases    Barnase    Bacillus amyloliquefaciens GO:  endoribonuclease activity    RNA binding    CHAIN: C SWISS-PROT/TREMBL: P00648    KEYWORD: 3D-structure    Endonuclease    Genetically modified food    Hydrolase    Nuclease    Signal    EC: 3.1.27.- SCOP: d.1.1.2 Alpha and beta proteins (a+b)    Microbial ribonucleases    Microbial ribonucleases    Bacterial ribonucleases    Barnase    Bacillus amyloliquefaciens GO:  endoribonuclease activity    RNA binding

Image Source: PDB

1a2p A - percentage of sequence identity: 98
1gou A - percentage of sequence identity: 77
2rbi A - percentage of sequence identity: 81