2026-06-27_00000192|ligand|9TJY

Crystal Structure of the Human Oncogenic Splice Variant Rac1b Fused with the Scaffold Protein POSH (residues 319-348); X-ray diffraction 1.77Å

Protein #1 226 residues (89% resolved)

Raw Sequence ...

MQAIKCVVVGDGAVGKTCLLISYTTNAFPGEYIPTVFDNYSANVMVDGKPVNLGLWDTAGQEDYDRLRPLSYPQTVGETYGKDITSRGKDKPIADVFLICFSLVSPASFENVRAKWYPEVRHHCPNTPIILVGTKLDLRDDKDTIEKLKEKKLTPITYPQGLAMAKEIGAVKYLECSALTQRGLKTVFDEAIRAVLQNRHSMEISPPVLISSSNPTAAARISELSG

Canonical Sequence ...

Non polymer #2 CL

InChI=1S/ClH/h1H/p-1

SMILES: [Cl-]

[Cl-]

Non polymer #3 GNP

InChI=1S/C10H17N6O13P3/c11-10-13-7-4(8(19)14-10)12-2-16(7)9-6(18)5(17)3(28-9)1-27-32(25,26)29-31(23,24)15-30(20,21)22/h2-3,5-6,9,17-18H,1H2,(H,25,26)(H3,11,13,14,19)(H4,15,20,21,22,23,24)/t3-,5-,6-,9-/m1/s1

InChI=1S/C10H17N6O13P3/c11-10-13-7-4(8(19)14-10)12-2-16(7)9-6(18)5(17)3(28-9)1-27-32(25,26)29-31(23,24)15-30(20,21)22/h2-3,5-6,9,17-18H,1H2,(H,25,26)(H3,11,13,14,19)(H4,15,20,21,22,23,24)/t3-,5-,6-,9-/m1/s1

SMILES: c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(NP(=O)(O)O)O)O)O)N=C(NC2=O)N

c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(NP(=O)(O)O)O)O)O)N=C(NC2=O)N

Non polymer #4 MG

InChI=1S/Mg/q+2

SMILES: [Mg+2]

[Mg+2]

Non polymer #5 POL

InChI=1S/C3H8O/c1-2-3-4/h4H,2-3H2,1H3

SMILES: CCCO

CCCO

Biounit #1 homo-dimer

Reference