eF-site ID 5i63-B PDB Code 5i63 Chain B click to enlarge Title Crystal structure of TEM1 beta-lactamase mutant I263N in the presence of 1.2 MPa xenon Classification HYDROLASE Compound Beta-lactamase TEM Source (BLAT_ECOLX) Sequence B:  HPETLVKVKDAEDQLGARVGYIELDLNSGKILESFRPEER FPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEY SPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGP KELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTTPAA MATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSAL PAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVNYTTG SQATMDERNRQIAEIGASLIKHW Description Functional site 1) chain B residue 263 type sequence N description binding site for residue XE B 301 source : AC3 2) chain B residue 279 type sequence I description binding site for residue XE B 301 source : AC3 3) chain B residue 221 type sequence L description binding site for residue XE B 302 source : AC4 4) chain B residue 279 type sequence I description binding site for residue XE B 302 source : AC4 5) chain B residue 234 type BINDING sequence K description source Swiss-Prot : SWS_FT_FI3 6) chain B residue 70 type catalytic sequence S description 2 source MCSA : MCSA2 7) chain B residue 73 type catalytic sequence K description 2 source MCSA : MCSA2 8) chain B residue 130 type catalytic sequence S description 2 source MCSA : MCSA2 9) chain B residue 166 type catalytic sequence E description 2 source MCSA : MCSA2 10) chain B residue 234 type catalytic sequence K description 2 source MCSA : MCSA2 11) chain B residue 237 type catalytic sequence A description 2 source MCSA : MCSA2 12) chain B residue 70 type ACT_SITE sequence S description Acyl-ester intermediate source Swiss-Prot : SWS_FT_FI1 13) chain B residue 168 type ACT_SITE sequence E description Proton acceptor source Swiss-Prot : SWS_FT_FI2

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