eF-site ID 3b8v-B PDB Code 3b8v Chain B click to enlarge Title Crystal structure of Escherichia coli alaine racemase mutant E221K Classification ISOMERASE Compound Alanine racemase Source Escherichia coli (strain K12) (ALR1_ECOLI) Sequence B:  MQAATVVINRRALRHNLQRLRELAPASKMVAVVKANAYGH GLLETARTLPDADAFGVARLEEALRLRAGGITKPVLLLEG FFDARDLPTISAQHFHTAVHNEEQLAALEEASLDEPVTVW MXLDTGMHRLGVRPEQAEAFYHRLTQCKNVRQPVNIVSHF ARADEPKCGATEKQLAIFNTFCEGKPGQRSIAASGGILLW PQSHFDWVRPGIILYGVSPLKDRSTGADFGCQPVMSLTSS LIAVREHKAGEPVGYGGTWVSERDTRLGVVAMGYGDGYPR AAPSGTPVLVNGREVPIVGRVAMDMICVDLGPQAQDKAGD PVILWGEGLPVERIAEMTKVSAYELITRLTSRVAMKYVD Description Functional site 1) chain B residue 343 type sequence Y description BINDING SITE FOR RESIDUE SO4 A 360 source : AC1 2) chain B residue 266 type sequence R 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 : AC4 4) chain B residue 274 type sequence Y description BINDING SITE FOR RESIDUE SO4 B 360 source : AC4 5) chain B residue 280 type sequence R description BINDING SITE FOR RESIDUE SO4 B 360 source : AC4 6) chain B residue 19 type sequence R description BINDING SITE FOR RESIDUE SO4 B 361 source : AC5 7) chain B residue 221 type sequence K description BINDING SITE FOR RESIDUE SO4 A 363 source : AC9 8) chain B residue 280 type sequence R description BINDING SITE FOR RESIDUE SO4 B 363 source : BC1 9) chain B residue 300 type sequence R description BINDING SITE FOR RESIDUE SO4 B 363 source : BC1 10) chain B residue 34 type sequence K description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 11) chain B residue 38 type sequence Y description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 12) chain B residue 159 type sequence H description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 13) chain B residue 193 type sequence A description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 14) chain B residue 194 type sequence S description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 15) chain B residue 209 type sequence R description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 16) chain B residue 211 type sequence G description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 17) chain B residue 212 type sequence I description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 18) chain B residue 343 type sequence Y description BINDING SITE FOR RESIDUE PLP B 1001 source : BC3 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 23) 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 24) 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

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