eF-site ID 3b8u-B PDB Code 3b8u Chain B click to enlarge Title Crystal structure of Escherichia coli alaine racemase mutant E221A Classification ISOMERASE Compound Alanine racemase Source null (ALR1_ECOLI) Sequence B:  QAATVVINRRALRHNLQRLRELAPASKMVAVVKANAYGHG LLETARTLPDADAFGVARLEEALRLRAGGITKPVLLLEGF FDARDLPTISAQHFHTAVHNEEQLAALEEASLDEPVTVWM XLDTGMHRLGVRPEQAEAFYHRLTQCKNVRQPVNIVSHFA RADEPKCGATEKQLAIFNTFCEGKPGQRSIAASGGILLWP QSHFDWVRPGIILYGVSPLADRSTGADFGCQPVMSLTSSL IAVREHKAGEPVGYGGTWVSERDTRLGVVAMGYGDGYPRA APSGTPVLVNGREVPIVGRVAMDMICVDLGPQAQDKAGDP VILWGEGLPVERIAEMTKVSAYELITRLTSRVAMKYVD Description Functional site 1) chain B residue 266 type sequence R description BINDING SITE FOR RESIDUE SO4 A 361 source : AC2 2) chain B residue 315 type sequence Q description BINDING SITE FOR RESIDUE SO4 A 361 source : AC2 3) chain B residue 255 type sequence Y description BINDING SITE FOR RESIDUE SO4 B 360 source : AC3 4) chain B residue 274 type sequence Y description BINDING SITE FOR RESIDUE SO4 B 360 source : AC3 5) chain B residue 280 type sequence R description BINDING SITE FOR RESIDUE SO4 B 360 source : AC3 6) chain B residue 19 type sequence R description BINDING SITE FOR RESIDUE SO4 B 361 source : AC4 7) chain B residue 162 type sequence R description BINDING SITE FOR RESIDUE SO4 B 362 source : AC5 8) chain B residue 34 type sequence K description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 9) chain B residue 38 type sequence Y description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 10) chain B residue 159 type sequence H description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 11) chain B residue 193 type sequence A description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 12) chain B residue 194 type sequence S description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 13) chain B residue 209 type sequence R description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 14) chain B residue 211 type sequence G description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 15) chain B residue 212 type sequence I description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 16) chain B residue 343 type sequence Y description BINDING SITE FOR RESIDUE PLP B 1001 source : BC2 17) chain B residue 34 type ACT_SITE sequence K description Proton acceptor; specific for D-alanine => ECO:0000255|HAMAP-Rule:MF_01201 source Swiss-Prot : SWS_FT_FI1 18) chain B residue 255 type ACT_SITE sequence Y description Proton acceptor; specific for L-alanine => ECO:0000255|HAMAP-Rule:MF_01201 source Swiss-Prot : SWS_FT_FI2 19) chain B residue 129 type BINDING sequence R description BINDING => ECO:0000305|PubMed:18434499 source Swiss-Prot : SWS_FT_FI3 20) chain B residue 303 type BINDING sequence M description BINDING => ECO:0000305|PubMed:18434499 source Swiss-Prot : SWS_FT_FI3 21) chain B residue 34 type MOD_RES sequence K description N6-(pyridoxal phosphate)lysine => ECO:0000269|PubMed:18434499 source Swiss-Prot : SWS_FT_FI4 22) chain B residue 122 type MOD_RES sequence X description N6-carboxylysine => ECO:0000269|PubMed:18434499 source Swiss-Prot : SWS_FT_FI5

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