>6V6N_1|Chains A, B, C, D|Beta-lactamase|Rhizobium radiobacter (358) SNAQQSQAFECTLVTSIETGAVINQQGACDQRVAPASTFKVPLALIGYDAGILLDDKTPAWDWKPGTEARAQDRKTVDPTIWEQDSVLWYSRELTRRLGPEKFAAYVKRLGYGNADVSGEPGKNNGLTHSWLGASLTVSPVEQVGFIRRLLAGNLPVSRDAQAKTRAIVPVFYAPESWSVHGKTGTGFMRDEKGNPDRSRPFGWFVGWAEREGQHIVFARLRVADKPSSEPLGPAVRDAFLRDIARLAVHR