9bur

Structure of GGCX-BGP complex

Method: ELECTRON MICROSCOPY D_max: 95.4 Å Quality: GOOD

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Vitamin K-dependent gamma-carboxylase

Homo sapiens

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 1–758	Not recorded	Osteocalcin × 1 （P02818） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CLR CHOLESTEROL × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 2.95 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9BUR	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
9BUM Structure of gamma-glutamyl carboxylase (GGCX) Deposited 2024-05-17	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–758（758 aa）	Not recorded	CLR CHOLESTEROL × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.63 Å
9BUX Structure of GGCX-BGP-menaquinone-4 epoxide complex Deposited 2024-05-17	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CLR CHOLESTEROL × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.06 Å
9BVK Vitamin K-dependent gamma-carboxylase with factor IX propeptide and glutamate-rich region and with vitamin K hydroquinone Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 27–758（732 aa）	Not recorded	A1AVC vitamin K1 hydroquinone × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9BVL Vitamin K-dependent gamma-carboxylase with factor X propeptide and glutamate-rich region and with vitamin K hydroquinone Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 27–758（732 aa）	Not recorded	A1AVC vitamin K1 hydroquinone × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9BVM Vitamin K-dependent gamma-carboxylase with protein C propeptide and glutamate-rich region and with vitamin K hydroquinone Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 27–758（732 aa）	Not recorded	A1AVC vitamin K1 hydroquinone × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
9BVO Vitamin K-dependent gamma-carboxylase in apo state Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric	Chain A 27–758（732 aa）	Not recorded	6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
9BVP Vitamin K-dependent gamma-carboxylase with TMG2 propeptide and glutamate-rich region and with vitamin K hydroquinone Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 26–758（733 aa）	Not recorded	A1AVC vitamin K1 hydroquinone × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9BVQ Vitamin K-dependent gamma-carboxylase with TMG2 propeptide and glutamate-rich region Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 27–758（732 aa）	Not recorded	6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9BVR Vitamin K-dependent gamma-carboxylase with factor IX propeptide and partially carboxylated glutamate-rich region and with vitamin K hydroquinone and calcium Deposited 2024-05-20	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 27–758（732 aa）	Not recorded	A1AVC vitamin K1 hydroquinone × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
9L1Y Vitamin K-dependent gamma-carboxylase apo status Deposited 2024-12-16	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric	Chain A 1–758（758 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CLR CHOLESTEROL × 1 Y01 CHOLESTEROL HEMISUCCINATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.46 Å
9L20 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with anisindione Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AT0 anisindione × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1 BCT BICARBONATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.82 Å
9L21 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with factor IX Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AVC vitamin K1 hydroquinone × 1 BCT BICARBONATE ION × 1 CO2 CARBON DIOXIDE × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.62 Å
9L23 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with Osteocalcin Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AVC vitamin K1 hydroquinone × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1 CO2 CARBON DIOXIDE × 1 BCT BICARBONATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.62 Å
9L24 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with Matrix Gla protein Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AVC vitamin K1 hydroquinone × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9L25 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with factor IX(Gla) Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AVC vitamin K1 hydroquinone × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1 CO2 CARBON DIOXIDE × 1 BCT BICARBONATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.41 Å
9L54 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with Vitamin K1 2,3-epoxide Deposited 2024-12-22	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–729（698 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1EIL (1~{a}~{R},7~{a}~{S})-7~{a}-methyl-1~{a}-[(~{E},7~{R},11~{R})-3,7,11,15-tetramethylhexadec-2-enyl]naphtho[2,3-b]oxirene-2,7-dione × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1 BCT BICARBONATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.04 Å
9L6Q Vitamin K-dependent gamma-carboxylase in complex with Coagulation factor IX and vitamin K Deposited 2024-12-25	Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Not recorded	6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 CLR CHOLESTEROL × 1 1L3 Menaquinone-4 × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.78 Å
9L6R double-mutant (K217A & K218A) Vitamin K-dependent gamma-carboxylase in complex with Coagulation factor IX and vitamin K Deposited 2024-12-25	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Mutation：K217A,K218A	A1EMC 2-methyl-3-[(2~{E},6~{E},10~{E})-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenyl]naphthalene-1,4-diol × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 CLR CHOLESTEROL × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.59 Å
9L6S double-mutant (K217A & K218A) Vitamin K-dependent gamma-carboxylase in complex with coagulation factors X and vitamin K Deposited 2024-12-25	Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Mutation：K217A,K218A	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1EMC 2-methyl-3-[(2~{E},6~{E},10~{E})-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraenyl]naphthalene-1,4-diol × 1 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 CLR CHOLESTEROL × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.58 Å
9MQB Vitamin K-dependent gamma-carboxylase with Osteocalcin (mutant) and vitamin K hydroquinone and calcium Deposited 2025-01-02	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.37 Å
9MQC Vitamin K-dependent gamma-carboxylase with Osteocalcin (mutant) and vitamin K hydroquinone Deposited 2025-01-02	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.13 Å
9MQE Vitamin K-dependent gamma-carboxylase with Osteocalcin and vitamin K hydroquinone Deposited 2025-01-02	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–758（758 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.56 Å
9WF2 Cryo-EM structure of GGCX-BGP complex Deposited 2025-08-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–728（697 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.94 Å
9WF3 Cryo-EM structure of GGCX-FIX complex Deposited 2025-08-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–728（697 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.65 Å
9WF9 Cryo-EM structure of GGCX-FX complex Deposited 2025-08-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–728（697 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.83 Å
9WFC Cryo-EM structure of GGCX-MGP complex Deposited 2025-08-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–728（697 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.33 Å
9WFL Cryo-EM structure of GGCX-PRGP1 complex Deposited 2025-08-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–728（697 aa）	Not recorded	A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.75 Å
9WFN Cryo-EM structure of GGCX-proP2 Deposited 2025-08-21	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 32–727（696 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.94 Å

28 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	VKGC_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–758； UniProt 1–758

Osteocalcin

Homo sapiens

UniProt P02818

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Other combination Heteromer Protein × 2 其他Polymer 1 PDB declaration: dimeric（2） Consistent with protein copy count	Chain B； UniProt 1–100	Not recorded	Vitamin K-dependent gamma-carboxylase × 1 （P38435） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CLR CHOLESTEROL × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 2.95 Å

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 9BUR	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
8XS1 Crystal structure of Fab fragment of anti-osteocalcin antibody KTM219 complexed with C-terminal peptide antigen Deposited 2024-01-08	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 94–100（7 aa） Fragment：C-terminal peptide (43-49) antigen	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 3.4；297 K；0.07 M Citric acid, 0.03 M BIS-TRIS propane, 16% Polyethylene glycol 3,350, by using random Microseed Matrix Screening (rMMS) method	Resolution 2.30 Å R-free 0.248
9BUX Structure of GGCX-BGP-menaquinone-4 epoxide complex Deposited 2024-05-17	Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–100（100 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 CLR CHOLESTEROL × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.06 Å
9L23 cryo-EM structure of Vitamin K-dependent gamma-carboxylase complexed with Osteocalcin Deposited 2024-12-16	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 33–100（68 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 A1AVC vitamin K1 hydroquinone × 1 CLR CHOLESTEROL × 1 PEE 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine × 3 Y01 CHOLESTEROL HEMISUCCINATE × 1 CO2 CARBON DIOXIDE × 1 BCT BICARBONATE ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.62 Å
9MQB Vitamin K-dependent gamma-carboxylase with Osteocalcin (mutant) and vitamin K hydroquinone and calcium Deposited 2025-01-02	Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 1–100（100 aa）	Mutation：G42A, V46L	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.37 Å
9MQC Vitamin K-dependent gamma-carboxylase with Osteocalcin (mutant) and vitamin K hydroquinone Deposited 2025-01-02	Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 1–100（100 aa）	Mutation：G42A, V46L	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.13 Å
9MQE Vitamin K-dependent gamma-carboxylase with Osteocalcin and vitamin K hydroquinone Deposited 2025-01-02	Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain P 1–100（100 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 6PL (4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE × 2 A1AVC vitamin K1 hydroquinone × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.56 Å
9WF2 Cryo-EM structure of GGCX-BGP complex Deposited 2025-08-20	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 33–100（68 aa）	Not recorded	NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 MX7 (2R)-3-(phosphonooxy)propane-1,2-diyl (9Z,9'Z)bis-octadec-9-enoate × 1 CLR CHOLESTEROL × 1 A1AT1 (1aR,7aS)-1a-methyl-7a-[(2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14-tetraen-1-yl]-1a,7a-dihydronaphtho[2,3-b]oxirene-2,7-dione × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.94 Å

7 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	OSTCN_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–100； UniProt 1–100

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	9bur
Deposition date deposition_date	2024-05-17
Structure title title	Structure of GGCX-BGP complex
Keywords keywords	vitamin K cycle, MEMBRANE PROTEIN, LYASE-SUBSTRATE complex; MEMBRANE PROTEIN,LYASE/SUBSTRATE
Experimental Method method	ELECTRON MICROSCOPY

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	30.31 Å
Radius of gyration Rg (electron density) rg_electron	29.32 Å
Forward intensity I(0) i0	99770900.00
Molecular weight molecular_weight	83092.0 kDa
Excluded volume excluded_volume	105700 Å³
Envelope volume envelope_volume	135820 Å³
Hydration-shell volume shell_volume	38677 Å³
Envelope diameter envelope_diameter	101.8 Å
Shell Rg shell_rg	36.60 Å
Envelope Rg envelope_rg	29.35 Å
Shape Rg shape_rg	29.29 Å
Total Rg total_rg	30.15 Å
Total atoms total_atoms	5877
Residues n_residues	705
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	95.4 Å
Rg (real space) rg_real	30.28 Å
Rg uncertainty (real space) rg_real_error	0.73 Å
I(0) (real space) i0_real	9.9770e+07
I(0) uncertainty (real space) i0_real_error	1.5000e+06
Rg (reciprocal space) rg_reciprocal	30.29 Å
I(0) (reciprocal space) i0_reciprocal	99770000.0000
Solution quality estimate total_estimate	0.8920
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	38.5 Å
Skewness Skewness skewness	0.314
Kurtosis Kurtosis kurtosis	-0.328
Angular range angular_range	— – 0.2600 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	16620000.0000
Real-space data points n_real_points	53
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.829

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	Vitamin K-dependent gamma-carboxylase
Molecular weight formula_weight	88652.6 kDa
EC 编号 ec_number	4.1.1.90
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	5877

MAVSAGSARTSPSSDKVQKDKAELISGPRQDSRIGKLLGFEWTDLSSWRRLVTLLNRPTDPASLAVFRFLFGFLMVLDIPQERGLSSLDRKYLDGLDVCRFPLLDALRPLPLDWMYLVYTIMFLGALGMMLGLCYRISCVLFLLPYWYVFLLDKTSWNNHSYLYGLLAFQLTFMDANHYWSVDGLLNAHRRNAHVPLWNYAVLRGQIFIVYFIAGVKKLDADWVEGYSMEYLSRHWLFSPFKLLLSEELTSLLVVHWGGLLLDLSAGFLLFFDVSRSIGLFFVSYFHCMNSQLFSIGMFSYVMLASSPLFCSPEWPRKLVSYCPRRLQQLLPLKAAPQPSVSCVYKRSRGKSGQKPGLRHQLGAAFTLLYLLEQLFLPYSHFLTQGYNNWTNGLYGYSWDMMVHSRSHQHVKITYRDGRTGELGYLNPGVFTQSRRWKDHADMLKQYATCLSRLLPKYNVTEPQIYFDIWVSINDRFQQRIFDPRVDIVQAAWSPFQRTSWVQPLLMDLSPWRAKLQEIKSSLDNHTEVVFIADFPGLHLENFVSEDLGNTSIQLLQGEVTVELVAEQKNQTLREGEKMQLPAGEYHKVYTTSPSPSCYMYVYVNTTELALEQDLAYLQELKEKVENGSETGPLPPELQPLLEGEVKGGPEPTPLVQTFLRRQQRLQEIERRRNTPFHERFFRFLLRKLYVFRRSFLMTCISLRNLILGRPSLEQLAQEVTYANLRPFEAVGELNPSNTDSSHSNPPESNPDPVHSEFDYKDDDDK

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 2 Entity 2 polymer

Description description	Osteocalcin
Molecular weight formula_weight	11804.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MRALTLLALLALAALCIAGQAGAKPSGAESSKGAAFVSKQEGSEVVKRPRRYLYQWLGAPVPYPDPLEPRREVCELNPDCDELADHIGFQEAYRRFYGPVHHHHHH

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI Class编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 5 Entity 5 non-polymer

Description description	CHOLESTEROL
Molecular weight formula_weight	386.7 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
Molecular weight formula_weight	760.1 kDa
Source method src_method	syn
Copy count entity_count	1

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8. Citations (1)

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Resolution resolution	2.95 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	218162

fit	/app/data/saxs_computation/bu/9bur/9bur.fit
pddf	/app/data/pr_computation/bu/9bur/9bur.pr.out
profile	/app/data/saxs_computation/bu/9bur/9bur.dat

Structure of GGCX-BGP complex

1. Protein Identity and Related Structures Protein Identity & Related Structures

Vitamin K-dependent gamma-carboxylase

State in the Current Structure

Other States of the Same Protein in the Database

Osteocalcin

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)