9BVQ: Vitamin K-dependent gamma-carboxylase

Vitamin K-dependent gamma-carboxylase with TMG2 propeptide and glutamate-rich region. Determined by electron microscopy at 3.3 Å resolution. Released 22 Jan 2025.

Method
Electron microscopy
Resolution
3.3 Å
Organism
Homo sapiens
Chains
2
Atoms
5,977
Mol. weight
101.43 kDa
Ligands
NAG, 6PL
Released
22 Jan 2025

Explore 9BVQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9BVQ contains 39 α-helices and 19 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: 37 helices, 17 β-strands

ElementResiduesLengthSheet
α-helix33-386
α-helix42-454
α-helix48-547
β-strand5911
α-helix62-7817
α-helix79-835
α-helix88-903
α-helix109-1113
α-helix112-13120
α-helix135-15218
α-helix154-1563
α-helix159-17315
α-helix182-1865
β-strand19511
α-helix198-21720
α-helix230-2345
α-helix236-2383
α-helix240-2434
α-helix247-2493
α-helix250-2578
α-helix258-26912
α-helix276-29318
α-helix299-3068
α-helix307-3104
α-helix315-3206
α-helix359-37618
α-helix377-3793
α-helix385-3873
β-strand406-416112
β-strand423-42642
α-helix441-45414
α-helix455-4584
β-strand464-473102
β-strand47813
β-strand479-48022
β-strand48214
β-strand50214
α-helix503-5053
α-helix512-52211
β-strand528-53473
β-strand539-54355
β-strand551-55773
β-strand560-56455
β-strand569-57355
β-strand578-58143
β-strand586-59165
β-strand597-60373
α-helix606-62621
α-helix633-6353
α-helix639-6435
α-helix650-6534
α-helix654-67320
α-helix677-70832
α-helix713-72311
Chain P: 2 helices, 2 β-strands
ElementResiduesLengthSheet
β-strand31-3222
α-helix34-374
β-strand8912
α-helix94-963

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Vitamin K-dependent gamma-carboxylaseAprotein732Homo sapiensP38435 (AlphaFold model)
Transmembrane gamma-carboxyglutamic acid protein 2Pprotein116Homo sapiensO14669 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9BVQ_1 Vitamin K-dependent gamma-carboxylase (chains A)
GPRQDSRIGKLLGFEWTDLSSWRRLVTLLNRPTDPASLAVFRFLFGFLMVLDIPQERGLS
SLDRKYLDGLDVCRFPLLDALRPLPLDWMYLVYTIMFLGALGMMLGLCYRISCVLFLLPY
WYVFLLDKTSWNNHSYLYGLLAFQLTFMDANHYWSVDGLLNAHRRNAHVPLWNYAVLRGQ
IFIVYFIAGVKKLDADWVEGYSMEYLSRHWLFSPFKLLLSEELTSLLVVHWGGLLLDLSA
GFLLFFDVSRSIGLFFVSYFHCMNSQLFSIGMFSYVMLASSPLFCSPEWPRKLVSYCPRR
LQQLLPLKAAPQPSVSCVYKRSRGKSGQKPGLRHQLGAAFTLLYLLEQLFLPYSHFLTQG
YNNWTNGLYGYSWDMMVHSRSHQHVKITYRDGRTGELGYLNPGVFTQSRRWKDHADMLKQ
YATCLSRLLPKYNVTEPQIYFDIWVSINDRFQQRIFDPRVDIVQAAWSPFQRTSWVQPLL
MDLSPWRAKLQEIKSSLDNHTEVVFIADFPGLHLENFVSEDLGNTSIQLLQGEVTVELVA
EQKNQTLREGEKMQLPAGEYHKVYTTSPSPSCYMYVYVNTTELALEQDLAYLQELKEKVE
NGSETGPLPPELQPLLEGEVKGGPEPTPLVQTFLRRQQRLQEIERRRNTPFHERFFRFLL
RKLYVFRRSFLMTCISLRNLILGRPSLEQLAQEVTYANLRPFEAVGELNPSNTDSSHSNP
PESNPDPVHSEF
Sequence of entity 2 (P), FASTA
>9BVQ_2 Transmembrane gamma-carboxyglutamic acid protein 2 (chains P)
EETDQEVFLGPPEAQSFLSSHTRIPRANHWDLELLTPGNLERECLEERCSWEEAREYFED
NTLTERFWESYIYNGKGGRGRVDVASLAVGLTGGILLIVLAGLGAFWYLRWRQHRG

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O61
6PL(4S,7R)-4-hydroxy-n,n,n-trimethyl-9-oxo-7-[(palmitoyloxy)methyl]-3,5,8-trioxa-4…C42 H85 N O8 P2

Primary citation

Molecular basis of vitamin-K-driven gamma-carboxylation at the membrane interface. Cao, Q., Ammerman, A., Saimi, M. et al. Nature (2025) 639:816-824. DOI 10.1038/s41586-025-08648-1 · PubMed

Other PDB entries of the same protein (UniProt P38435 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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