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Scm SAM domain

Analyse Scm SAM domain in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
1PK3
Type
protein
Length
222 residues
Chains
3
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Sex comb on midleg CG9495-pa
UniProt
Q9VHA0

Structure

x-ray diffraction · 3 distinct chains · 71% helix, 0% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ASex comb on midleg CG9495-paprotein7672% helix, 0% strandQ9VHA0
BSex comb on midleg CG9495-paprotein6872% helix, 0% strandQ9VHA0
CSex comb on midleg CG9495-paprotein7869% helix, 0% strandQ9VHA0

Ligands and binding sites

  • BME · Beta-mercaptoethanol · additive · 3 copies · chains A, B, C

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Interfaces

2 interfaces between chains.

  • B–C · 551 Ų buried · 5 hydrogen bonds · protein-protein
  • A–B · 550 Ų buried · 4 hydrogen bonds · protein-protein

Compared structures

  • 1PK3 · Scm SAM domain · the same entry in another collection · chain A against A, TM-score 1.00
  • Q9VHA0 · AlphaFold monomer V2.0 prediction for polycomb protein scm (Q9VHA0) · a predicted model of the same protein · chain B against A, TM-score 0.98

Analyse

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