9BUR: GGCX-BGP complex

Structure of GGCX-BGP complex. Determined by electron microscopy at 2.95 Å resolution. Released 29 Jan 2025.

Method
Electron microscopy
Resolution
2.95 Å
Organism
Homo sapiens
Chains
2
Atoms
5,877
Mol. weight
102.47 kDa
Ligands
NAG, CLR, POV
Released
29 Jan 2025

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

Secondary structure: helices and β-sheets

9BUR contains 40 α-helices and 23 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: 39 helices, 21 β-strands

ElementResiduesLengthSheet
α-helix33-386
α-helix48-558
β-strand5911
α-helix62-7615
α-helix78-814
α-helix88-914
β-strand9912
α-helix112-13120
α-helix135-15117
α-helix154-1563
α-helix161-17010
α-helix182-1865
β-strand19313
β-strand19511
α-helix198-21720
α-helix221-2244
α-helix232-2343
α-helix236-2383
α-helix240-2434
α-helix247-2504
α-helix251-2577
α-helix258-2636
α-helix276-29318
α-helix299-3068
α-helix307-3104
α-helix317-3204
α-helix327-3293
α-helix336-3372
β-strand33813
α-helix3391
α-helix358-3614
α-helix363-37614
α-helix377-3826
β-strand405-416124
β-strand423-42644
β-strand43212
α-helix441-45414
α-helix455-4584
β-strand466-47384
β-strand47815
β-strand479-48024
β-strand48216
β-strand50216
α-helix503-5053
α-helix507-5126
α-helix513-52210
β-strand527-53485
β-strand539-54357
β-strand551-55775
β-strand560-56457
β-strand569-57357
β-strand578-58145
β-strand586-59167
α-helix5961
β-strand597-60485
α-helix606-6116
α-helix615-6184
α-helix655-66814
α-helix677-70731
α-helix713-72311
Chain B: 1 helix, 2 β-strands
ElementResiduesLengthSheet
β-strand36-3724
β-strand65-6624
α-helix89-968

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Vitamin K-dependent gamma-carboxylaseAprotein766Homo sapiensP38435 (AlphaFold model)
OsteocalcinBprotein106Homo sapiensP02818 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>9BUR_1 Vitamin K-dependent gamma-carboxylase (chains A)
MAVSAGSARTSPSSDKVQKDKAELISGPRQDSRIGKLLGFEWTDLSSWRRLVTLLNRPTD
PASLAVFRFLFGFLMVLDIPQERGLSSLDRKYLDGLDVCRFPLLDALRPLPLDWMYLVYT
IMFLGALGMMLGLCYRISCVLFLLPYWYVFLLDKTSWNNHSYLYGLLAFQLTFMDANHYW
SVDGLLNAHRRNAHVPLWNYAVLRGQIFIVYFIAGVKKLDADWVEGYSMEYLSRHWLFSP
FKLLLSEELTSLLVVHWGGLLLDLSAGFLLFFDVSRSIGLFFVSYFHCMNSQLFSIGMFS
YVMLASSPLFCSPEWPRKLVSYCPRRLQQLLPLKAAPQPSVSCVYKRSRGKSGQKPGLRH
QLGAAFTLLYLLEQLFLPYSHFLTQGYNNWTNGLYGYSWDMMVHSRSHQHVKITYRDGRT
GELGYLNPGVFTQSRRWKDHADMLKQYATCLSRLLPKYNVTEPQIYFDIWVSINDRFQQR
IFDPRVDIVQAAWSPFQRTSWVQPLLMDLSPWRAKLQEIKSSLDNHTEVVFIADFPGLHL
ENFVSEDLGNTSIQLLQGEVTVELVAEQKNQTLREGEKMQLPAGEYHKVYTTSPSPSCYM
YVYVNTTELALEQDLAYLQELKEKVENGSETGPLPPELQPLLEGEVKGGPEPTPLVQTFL
RRQQRLQEIERRRNTPFHERFFRFLLRKLYVFRRSFLMTCISLRNLILGRPSLEQLAQEV
TYANLRPFEAVGELNPSNTDSSHSNPPESNPDPVHSEFDYKDDDDK
Sequence of entity 2 (B), FASTA
>9BUR_2 Osteocalcin (chains B)
MRALTLLALLALAALCIAGQAGAKPSGAESSKGAAFVSKQEGSEVVKRPRRYLYQWLGAP
VPYPDPLEPRREVCELNPDCDELADHIGFQEAYRRFYGPVHHHHHH

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62
CLRCholesterolC27 H46 O1
POV(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl…C42 H82 N O8 P1

Primary citation

Structure and mechanism of vitamin-K-dependent gamma-glutamyl carboxylase. Wang, R., Chen, B., Elghobashi-Meinhardt, N. et al. Nature (2025) 639:808-815. DOI 10.1038/s41586-024-08484-9 · 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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