2025-02-15_00000109|ligand|9CUM

Q67H mutant of R67 DHFR complexed with Congo Red; X-ray diffraction 1.15Å

Protein #1 62 residues (94% resolved)

Raw Sequence ...

VFPSNATFGMGDRVRKKSGAAWQGQIVGWYCTNLTPEGYAVESEAHPGSVHIYPVAALERIN

Canonical Sequence ...

VFPSNATFGMGDRVRKKSGAAWQGQIVGWYCTNLTPEGYAVESEAHPGSVHIYPVAALERIN

Non polymer #2 CGO

InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;

InChI=1S/C32H24N6O6S2.2Na/c33-31-25-7-3-1-5-23(25)29(45(39,40)41)17-27(31)37-35-21-13-9-19(10-14-21)20-11-15-22(16-12-20)36-38-28-18-30(46(42,43)44)24-6-2-4-8-26(24)32(28)34;;/h1-18H,33-34H2,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b37-35+,38-36+;;

SMILES: c1cc2c(cc(c(c2cc1)N)/N=N/c3ccc(cc3)c4ccc(cc4)/N=N/c5c(c6c(c(c5)S(=O)(=O)[O-][Na+])cccc6)N)S(=O)(=O)[O-][Na+]

c1cc2c(cc(c(c2cc1)N)/N=N/c3ccc(cc3)c4ccc(cc4)/N=N/c5c(c6c(c(c5)S(=O)(=O)[O-][Na+])cccc6)N)S(=O)(=O)[O-][Na+]

Non polymer #3 MPD

InChI=1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3/t5-/m0/s1

SMILES: C[C@@H](CC(C)(C)O)O

C[C@@H](CC(C)(C)O)O

Non polymer #4 MRD

InChI=1S/C6H14O2/c1-5(7)4-6(2,3)8/h5,7-8H,4H2,1-3H3/t5-/m1/s1

SMILES: C[C@H](CC(C)(C)O)O

C[C@H](CC(C)(C)O)O

Non polymer #5 NA

InChI=1S/Na/q+1

SMILES: [Na+]

[Na+]

Biounit #1 homo-tetramer

Reference