2026-09-26_00000187|medium|9QIQ

Crystal Structure of human MLH3 N-terminal domain C320S with AMP-PNP; X-ray diffraction 2.14Å

Protein #1 360 residues (99% resolved)

Raw Sequence ...

GSMIKCLSVEVQAKLRSGLAISSLGQCVEELALNSIDAEAKCVAVRVNMETFQVQVIDNGFGMGSDDVEKVGNRYFTSKCHSVQDLENPRFYGFRGEALANIADMASAVEISSKKNRTMKTFVKLFQSGKALKACEADVTRASAGTTVTVYNLFYQLPVRRKCMDPRLEFEKVRQRIEALSLMHPSISFSLRNDVSGSMVLQLPKTKDVCSRFCQIYGLGKSQKLREISFKYKEFELSGYISSEAHYNKNMQFLFVNKRLVLRTKLHKLIDFLLRKESIICGGELYGIYVINVQCQFCEYDVSMEPAKTLIEFQNWDTLLFCIQEGVKMFLKQEKLFVELSGEDIKEFSEDNGFSLFDAT

Canonical Sequence ...

Non polymer #2 ANP

InChI=1S/C10H17N6O12P3/c11-8-5-9(13-2-12-8)16(3-14-5)10-7(18)6(17)4(27-10)1-26-31(24,25)28-30(22,23)15-29(19,20)21/h2-4,6-7,10,17-18H,1H2,(H,24,25)(H2,11,12,13)(H4,15,19,20,21,22,23)/t4-,6-,7-,10-/m1/s1

InChI=1S/C10H17N6O12P3/c11-8-5-9(13-2-12-8)16(3-14-5)10-7(18)6(17)4(27-10)1-26-31(24,25)28-30(22,23)15-29(19,20)21/h2-4,6-7,10,17-18H,1H2,(H,24,25)(H2,11,12,13)(H4,15,19,20,21,22,23)/t4-,6-,7-,10-/m1/s1

SMILES: c1nc(c2c(n1)n(cn2)[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

c1nc(c2c(n1)n(cn2)[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

Non polymer #3 CL

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

SMILES: [Cl-]

[Cl-]

Non polymer #4 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

SMILES: C(CO)O

C(CO)O

Non polymer #5 MG

InChI=1S/Mg/q+2

SMILES: [Mg+2]

[Mg+2]

Biounit #1 monomer

Biounit #2 monomer

Biounit #3 monomer

Biounit #4 monomer

Reference