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Structure paper

TitleStructural basis for a filamentous morpheein model of human cystathionine beta-synthase
Journal, issue, pagesNat Commun, Year 2026
Publish dateAug 27, 2025 (structure data deposition date)
AuthorsMohammed I / Mijatovic E / Philipp TM / Janickova L / Ascencao K / Asturias FJ / Martinez-Cruz LA / Szabo C / Stahlberg H / Majtan T
External linksNat Commun / Search PubMed
MethodsEM (single particle) / EM (helical sym.)
Resolution2.0 - 4.11 Å
Structure data

EMDB-54904, PDB-9shm:
Structure of trans-basal conformer of human CBS trapped in PLP-aminoacrylate intermediate state (CBS PLP-AA)- by single particle approach
Method: EM (single particle) / Resolution: 2.0 Å

EMDB-54905, PDB-9shn:
Structure of trans-basal conformer of human CBS trapped in PLP-serine external aldemine intermediate (CBS-PLP-Ser)- by single particle approach
Method: EM (single particle) / Resolution: 2.18 Å

EMDB-54925, PDB-9si8:
Structure of trans-basal conformer of human CBS trapped in PLP-aminoacrylate intermediate state (CBS PLP-AA)- by Helical processing.
Method: EM (helical sym.) / Resolution: 2.47 Å

EMDB-55037, PDB-9sml:
Structure of trans-basal conformer of human CBS trapped in PLP-serine external aldemine intermediate (CBS-PLP-Ser)- by Helical approach
Method: EM (helical sym.) / Resolution: 2.78 Å

EMDB-55097, PDB-9spv:
focused structure of regulatory domains of cis-basal conformer of human CBS induced by non-activating allosteric SAO ligand - by Helical approach
Method: EM (helical sym.) / Resolution: 4.04 Å

EMDB-55099, PDB-9spw:
Structure of cis-basal conformer of human CBS induced by non-activating allosteric SAO ligand - by single particle approach.
Method: EM (single particle) / Resolution: 4.11 Å

EMDB-55105, PDB-9sq0:
Structure of trans-basal conformer of wild-type human CBS alone (internal aldemine)- by single particle approach
Method: EM (single particle) / Resolution: 2.74 Å

EMDB-55115, PDB-9sqq:
Structure of trans-basal conformer of wild-type human CBS enzyme in absence of substrate and allosteric activators- by Helical approach
Method: EM (helical sym.) / Resolution: 3.0 Å

Chemicals

ChemComp-HEM:
PROTOPORPHYRIN IX CONTAINING FE

ChemComp-P1T:
2-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)AMINO]ACRYLIC ACID

ChemComp-KOU:
(E)-N-({3-hydroxy-2-methyl-5-[(phosphonooxy)methyl]pyridin-4-yl}methylidene)-L-serine

ChemComp-SFG:
SINEFUNGIN

Source
  • homo sapiens (human)
KeywordsCYTOSOLIC PROTEIN / transsulfuration pathway / L-serine hydro-lyase / heme-binding protein / CBS domain / LYASE

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