eF-site ID 1m4a-A PDB Code 1m4a Chain A click to enlarge Title Crystal Structure of Human Interleukin-2 Y31C Covalently Modified at C31 with (1H-Indol-3-yl)-(2-mercapto-ethoxyimino)-acetic acid Classification CYTOKINE Compound interleukin-2 Source Homo sapiens (Human) (IL2_HUMAN) Sequence A:  TKKTQLQLEHLLLDLQMILNGINNCKNPKLTRMLTFKFYM PKKATELKHLQCLEEELKPLEEVLNLALRPRDLISNINVI VLELFMCEYADETATIVEFLNRWITFCQSIISTL Description Functional site 1) chain A residue 31 type sequence C description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 2) chain A residue 35 type sequence K description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 3) chain A residue 36 type sequence L description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 4) chain A residue 39 type sequence M description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 5) chain A residue 42 type sequence F description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 6) chain A residue 72 type sequence L description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 7) chain A residue 73 type sequence A description BINDING SITE FOR RESIDUE MPE A 201 source : AC1 8) chain A residue 29 type sequence N description BINDING SITE FOR RESIDUE GOL A 202 source : AC2 9) chain A residue 31 type sequence C description BINDING SITE FOR RESIDUE GOL A 202 source : AC2 10) chain A residue 33 type sequence N description BINDING SITE FOR RESIDUE GOL A 202 source : AC2 11) chain A residue 51-63 type prosite sequence TELKHLQCLEEEL description INTERLEUKIN_2 Interleukin-2 signature. TELkhLqCLeeEL source prosite : PS00424

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