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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P38631 New Search
17PDB entries
17Biological assembly
18chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification Different assembly state Different ligand/ion Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
7XE4 structure of a membrane-bound glycosyltransferase Deposited 2022-03-29 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain F 1–1876（1876 aa）
Not recorded DD9 nonane × 7 D10 DECANE × 6 C14 TETRADECANE × 1 HP6 HEPTANE × 7 D12 DODECANE × 3 XKP (11R,14S)-17-amino-14-hydroxy-8,14-dioxo-9,13,15-trioxa-14lambda~5~-phosphaheptadecan-11-yl decanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7YUY Structure of a mutated membrane-bound glycosyltransferase Deposited 2022-08-18 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain F 1–1876（1876 aa）
Mutation：S643P DD9 nonane × 7 D10 DECANE × 6 C14 TETRADECANE × 1 HP6 HEPTANE × 7 D12 DODECANE × 3 XKP (11R,14S)-17-amino-14-hydroxy-8,14-dioxo-9,13,15-trioxa-14lambda~5~-phosphaheptadecan-11-yl decanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8JZN Structure of a fungal 1,3-beta-glucan synthase Deposited 2023-07-05 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 2 AV0 Lauryl Maltose Neopentyl Glycol × 2 ERG ERGOSTEROL × 14 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.47 Å
8WL6 Structure of 1,3-beta-glucan synthase component FKS1 Deposited 2023-09-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
8WLA Cryo-EM structure of the beta-1,3-glucan synthase FKS1-Rho1 complex Deposited 2023-09-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1876（1876 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9PE1 Structure of beta-1,3-glucan synthase in complex with caspofungin, Rho1 and long glucan Deposited 2025-07-01 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 Y01 CHOLESTEROL HEMISUCCINATE × 29 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 GSP 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE × 1 A1CHR (10R,12S)-10,12-dimethyltetradecanoic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.09 Å
9PE2 Structure of beta-1,3-glucan synthase from Saccharomyces cerevisiae (ScFks1) in complex with short glucan Deposited 2025-07-01 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 Y01 CHOLESTEROL HEMISUCCINATE × 29 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.07 Å
9PE3 Structure of beta-1,3-glucan synthase from Saccharomyces cerevisiae (ScFks1) at the catalytically relevant ground state Deposited 2025-07-01 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 Y01 CHOLESTEROL HEMISUCCINATE × 22 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 UDP URIDINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å
9PE4 Structure of beta-1,3-glucan synthase from Saccharomyces cerevisiae (ScFks1) at the catalytically less relevant L2 state Deposited 2025-07-01 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded Y01 CHOLESTEROL HEMISUCCINATE × 7 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 LMN Lauryl Maltose Neopentyl Glycol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.69 Å
9PE5 Structure of beta-1,3-glucan synthase from Saccharomyces cerevisiae (ScFks1) at the catalytically less relevant L1 state Deposited 2025-07-01 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded Y01 CHOLESTEROL HEMISUCCINATE × 7 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 LMN Lauryl Maltose Neopentyl Glycol × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9UTU Structure of Fks1 in complex with YMR295C Deposited 2025-05-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–1876（1876 aa）
Not recorded MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 Å
9UTW Structure of dimeric FKS1 in complex with tRNA Deposited 2025-05-05 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Review required
Chain B 1–1876（1876 aa）
Chain H 1–1876（1876 aa）
Not recorded MG MAGNESIUM ION × 2 DD9 nonane × 8 D10 DECANE × 2 HP6 HEPTANE × 6 XKP (11R,14S)-17-amino-14-hydroxy-8,14-dioxo-9,13,15-trioxa-14lambda~5~-phosphaheptadecan-11-yl decanoate × 2 PEF DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINE × 2 PLM PALMITIC ACID × 16 DCR icosanoic acid × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.96 Å
9WY1 Cryo-EM structure of Fks1 in apo state Deposited 2025-09-26 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 AV0 Lauryl Maltose Neopentyl Glycol × 2 ERG ERGOSTEROL × 13 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.23 Å
9WZU Cryo-EM structure of Fks1 in complex with enfumafungin Deposited 2025-09-29 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded ERG ERGOSTEROL × 9 A1E06 Enfumafungin × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.97 Å
9WZV Cryo-EM structure of Fks1 with intact active site Deposited 2025-09-29 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Not recorded ERG ERGOSTEROL × 21 A1E06 Enfumafungin × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 Å
9WZX Cryo-EM structure of Fks1 in open state Deposited 2025-09-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain F 1–1876（1876 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.72 Å
9ZTC Beta-1,3-glucan synthase Fks1 S643P from Saccharomyces Cerevisiae Deposited 2025-12-23 Assembly 1 Other combination Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–1876（1876 aa）
Mutation：S643P Y01 CHOLESTEROL HEMISUCCINATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.