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Human cystathionine beta-synthase (cbs) P.P49L DELTA409-551 variant

Analyse Human cystathionine beta-synthase (cbs) P.P49L DELTA409-551 variant in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
5MMS
Type
protein
Length
2,077 residues
Chains
6
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Cystathionine beta-synthase
EC
4.2.1.22
UniProt
P35520
Ligands
HEM, PLP, NA
Pockets
20 · best druggability 0.83

Structure

x-ray diffraction · 6 distinct chains · 40% helix, 17% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACystathionine beta-synthase (EC 4.2.1.22)protein34041% helix, 17% strandP35520
BCystathionine beta-synthase (EC 4.2.1.22)protein34839% helix, 16% strandP35520
CCystathionine beta-synthase (EC 4.2.1.22)protein34340% helix, 16% strandP35520
DCystathionine beta-synthase (EC 4.2.1.22)protein35639% helix, 16% strandP35520
ECystathionine beta-synthase (EC 4.2.1.22)protein34940% helix, 17% strandP35520
FCystathionine beta-synthase (EC 4.2.1.22)protein34140% helix, 16% strandP35520

Ligands and binding sites

  • HEM · Protoporphyrin IX containing Fe · ligand · 6 copies · chains A, F, B, C, D, E
  • PLP · Pyridoxal-5'-phosphate · ligand · 6 copies · chains A, B, C, D, E, F
  • NA · Sodium ion · metal · 3 copies · chains D, E, B, F

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

Pockets

20 pockets found on a 1 Å grid, 19 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18010.830.8674empty
21520.820.9820empty
31500.820.9820empty
46400.820.8754empty
511060.800.8273NA

Interfaces

11 interfaces between chains.

  • D–E · 1966 Ų buried · 12 hydrogen bonds · protein-protein
  • B–F · 1955 Ų buried · 11 hydrogen bonds · protein-protein
  • B–C · 609 Ų buried · 6 hydrogen bonds · protein-protein
  • D–F · 571 Ų buried · 7 hydrogen bonds · protein-protein
  • A–E · 524 Ų buried · 5 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 cofactor (pyridoxal phosphate Schiff base).

Compared structures

  • 5MMS · Human cystathionine beta-synthase (CBS) p.P49L delta409-551 variant · the same entry in another collection · chain F against F, TM-score 1.00
  • P35520 · AlphaFold monomer V2.0 prediction for cystathionine beta-synthase (P35520) · a predicted model of the same protein · chain F against A, TM-score 0.99

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