7P1M: Galectin-8

Galectin-8 N-terminal carbohydrate recognition domain in complex with benzimidazole D-galactal ligand. Determined by X-ray diffraction at 1.52 Å resolution. Released 15 Dec 2021.

Method
X-ray diffraction
Resolution
1.52 Å
Organism
Homo sapiens
Chains
2
Atoms
2,812
Mol. weight
34.87 kDa
Ligands
4IU
Released
15 Dec 2021

Explore 7P1M in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7P1M contains 4 α-helices and 26 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 2 helices, 13 β-strands

ElementResiduesLengthSheet
β-strand9-1351
β-strand19-2242
β-strand32-3871
β-strand45-5282
α-helix601
β-strand61-6992
β-strand75-8282
β-strand85-8622
β-strand90-9232
β-strand102-10981
β-strand113-11861
β-strand121-12771
α-helix132-1343
β-strand137-14262
β-strand145-15281
Chain B: 2 helices, 13 β-strands
ElementResiduesLengthSheet
β-strand9-1353
β-strand19-2244
β-strand32-3873
β-strand45-5174
α-helix60-612
β-strand62-6984
β-strand75-8284
β-strand85-8624
β-strand90-9234
β-strand102-10983
β-strand113-11863
β-strand121-12773
α-helix132-1343
β-strand137-14264
β-strand145-15283

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Galectin-8A, Bprotein151Homo sapiensO00214 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>7P1M_1 Galectin-8 (chains A, B)
NNLQNIIYNPVIPFVGTIPDQLDPGTLIVIRGHVPSDADRFQVDLQNGSSMKPRADVAFH
FNPRFKRAGCIVCNTLINEKWGREEITYDTPFKREKSFEIVIMVLKDKFQVAVNGKHTLL
YGHRIGPEKIDTLGIYGKVNIHSIGFSFSSD

Ligands and cofactors

IDNameFormulaCopies
4IU2-[[(2R,3R,4R)-2-(hydroxymethyl)-3-oxidanyl-3,4-dihydro-2H-pyran-4-yl]oxymethyl…C16 H18 N2 O62

Water and common crystallization additives (CL) are not listed.

Primary citation

Structure-Guided Design of d-Galactal Derivatives with High Affinity and Selectivity for the Galectin-8 N-Terminal Domain. Hassan, M., Baussiere, F., Guzelj, S. et al. ACS Med Chem Lett (2021) 12:1745-1752. DOI 10.1021/acsmedchemlett.1c00371 · PubMed

Other PDB entries of the same protein (UniProt O00214 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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