9WFC: GGCX-MGP complex

Cryo-EM structure of GGCX-MGP complex. Determined by electron microscopy at 3.33 Å resolution. Released 1 Apr 2026.

Method
Electron microscopy
Resolution
3.33 Å
Organism
Homo sapiens
Chains
2
Atoms
5,790
Mol. weight
89.4 kDa
Ligands
NAG, POV, MX7, CLR
Released
1 Apr 2026

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

Secondary structure: helices and β-sheets

9WFC contains 44 α-helices and 22 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: 43 helices, 20 β-strands

ElementResiduesLengthSheet
α-helix33-386
α-helix42-443
α-helix48-558
β-strand58-5921
α-helix62-8120
α-helix85-873
α-helix88-914
α-helix109-1113
α-helix112-13120
α-helix135-15218
α-helix154-1563
α-helix159-17315
α-helix182-1865
β-strand19312
β-strand195-19621
α-helix197-21721
α-helix221-2244
α-helix230-2345
α-helix236-2383
α-helix239-2424
α-helix247-2493
α-helix250-2589
α-helix259-27113
α-helix276-29318
α-helix299-3068
α-helix307-3104
α-helix315-3228
α-helix325-3306
α-helix332-3332
α-helix336-3372
β-strand33812
α-helix3391
α-helix358-37619
α-helix377-3826
α-helix385-3873
β-strand40513
β-strand406-417124
β-strand423-42644
α-helix436-4394
α-helix441-45414
α-helix455-4584
β-strand463-473114
α-helix476-4772
β-strand47815
β-strand479-48024
β-strand48216
β-strand50216
α-helix503-5053
α-helix507-5093
α-helix510-52213
β-strand527-53485
β-strand539-54357
β-strand549-55795
β-strand560-56457
β-strand569-57357
β-strand578-58035
β-strand586-59167
α-helix5961
β-strand597-60485
α-helix606-61712
α-helix657-67418
α-helix677-70832
α-helix713-72412
Chain B: 1 helix, 2 β-strands
ElementResiduesLengthSheet
β-strand2013
β-strand3414
α-helix37-404

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Vitamin K-dependent gamma-carboxylaseAprotein697Homo sapiensP38435 (AlphaFold model)
Matrix Gla proteinBprotein28Homo sapiensP08493 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9WFC_1 Vitamin K-dependent gamma-carboxylase (chains A)
SRIGKLLGFEWTDLSSWRRLVTLLNRPTDPASLAVFRFLFGFLMVLDIPQERGLSSLDRK
YLDGLDVCRFPLLDALRPLPLDWMYLVYTIMFLGALGMMLGLCYRISCVLFLLPYWYVFL
LDKTSWNNHSYLYGLLAFQLTFMDANHYWSVDGLLNAHRRNAHVPLWNYAVLRGQIFIVY
FIAGVKKLDADWVEGYSMEYLSRHWLFSPFKLLLSEELTSLLVVHWGGLLLDLSAGFLLF
FDVSRSIGLFFVSYFHCMNSQLFSIGMFSYVMLASSPLFCSPEWPRKLVSYCPRRLQQLL
PLKAAPQPSVSCVYKRSRGKSGQKPGLRHQLGAAFTLLYLLEQLFLPYSHFLTQGYNNWT
NGLYGYSWDMMVHSRSHQHVKITYRDGRTGELGYLNPGVFTQSRRWKDHADMLKQYATCL
SRLLPKYNVTEPQIYFDIWVSINDRFQQRIFDPRVDIVQAAWSPFQRTSWVQPLLMDLSP
WRAKLQEIKSSLDNHTEVVFIADFPGLHLENFVSEDLGNTSIQLLQGEVTVELVAEQKNQ
TLREGEKMQLPAGEYHKVYTTSPSPSCYMYVYVNTTELALEQDLAYLQELKEKVENGSET
GPLPPELQPLLEGEVKGGPEPTPLVQTFLRRQQRLQEIERRRNTPFHERFFRFLLRKLYV
FRRSFLMTCISLRNLILGRPSLEQLAQEVTYANLRPF
Sequence of entity 2 (B), FASTA
>9WFC_2 Matrix Gla protein (chains B)
LCYESHESMSYELNPFINRRNANTFISP

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62
POV(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl…C42 H82 N O8 P2
MX7(2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoateC39 H73 O8 P1
CLRCholesterolC27 H46 O1
A1AT1(1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tet…C31 H40 O31

Primary citation

Cryo-EM structure of GGcX-MGP complex. Qian, H.W., Zhang, W.J. To be published.

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

Browse structure collections

About this viewer

MolViewer shows 9WFC directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.