Chains and heterogens:
PDB Chain Sequences:
>1x3nA (A:) mrgshhhhhhgmasnefpvvlvincgsssikfsvldvatcdvlmagiadgmntenaflsi ngdkpinlahsnyedalkaiafelekrdltdsvalighriahggelftqsviitdeiidn irrvsplaplhnyanlsgidaarhlfpavrqvavfdtsfhqtlapeaylyglpweyfssl gvrrygfhgtshryvsrrayelldldekdsglivahlgngasicavrngqsvdtsmgmtp leglmmgtrsgdvdfgamawiaketgqtlsdlervvnkesgllgisglssdlrvlekawh egherarlaiktfvhriarhiaghaaslhrldgiiftggigensvlirqlviehlgvlgl tldvemnkqpnshgeriisanpsqvicaviptneekmialdaihlgnvkapvefa
>1x3nA (A:) fpvvlvincgsssikfsvldvatcdvlmagiadgmntenaflsingdkpinlahsnyeda lkaiafelekrdltdsvalighriahggelftqsviitdeiidnirrvsplaplhnyanl sgidaarhlfpavrqvavfdtsfhqtlapeaylyglpweyfsslgvrrygfhgtshryvs rrayelldldekdsglivahlgngasicavrngqsvdtsmgmtpleglmmgtrsgdvdfg amawiaketgqtlsdlervvnkesgllgisglssdlrvlekawhegherarlaiktfvhr iarhiaghaaslhrldgiiftggigensvlirqlviehlgvlgltldvemnkqpnshger iisanpsqvicaviptneekmialdaihlgnvka