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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：P29016 New Search
28PDB entries
30Biological assembly
30chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method 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
1GZP CD1b in complex with GM2 ganglioside Deposited 2002-05-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 18–295（278 aa） Fragment：RESIDUES 18-295
Not recorded GM2 N-[(1S,2S)-2-HYDROXY-1-({[(2R,3R,4S,5S,6R)-3,4,5-TRIHYDROXY-6-(HYDROXYMETHYL)TETRAHYDRO-2H-PYRAN-2-YL]OXY}METHYL)OCTADECYL]OCTADECANAMIDE × 1 D12 DODECANE × 1 TWT DOCOSANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.1；293 K；20 DEGREE C 2UL OF PROTEIN + 1UL OF MOTHER LIQUOR 0.2M LITHIUM NITRATE 20% W/V POLYETHYLENE GLYCOL 3350, PH 7.1
Resolution 2.80 Å R-free 0.273
1GZQ CD1b in complex with Phophatidylinositol Deposited 2002-05-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 18–295（278 aa） Fragment：RESIDUES 18-295
Not recorded PII 2-[(HYDROXY{[(2R,3R,5S,6R)-2,3,4,5,6-PENTAHYDROXYCYCLOHEXYL]OXY}PHOSPHORYL)OXY]-1-[(PALMITOYLOXY)METHYL]ETHYL HEPTADECANOATE × 1 NO3 NITRATE ION × 3 D12 DODECANE × 1 TWT DOCOSANE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7.1；293 K；20 DEGREES C, 2UL OF PROTEIN + 1UL OF MOTHER LIQUOR, 0.2M LITHIUM NITRATE, 20% W/V POLYETHYLENE GLYCOL 3350, PH 7.1
Resolution 2.26 Å R-free 0.237
1UQS The Crystal Structure of Human CD1b with a Bound Bacterial Glycolipid Deposited 2003-10-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 18–295（278 aa） Fragment：FRAGMENT: RESIDUES 18-295
Not recorded GMM GLUCOSE MONOMYCOLATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.6；0.1M SODIUM CITRATE PH 5.6, 0.5M AMMONIUM SULFATE, 0.5M LITHIUM SULFATE
Resolution 3.10 Å R-free 0.290
2H26 human CD1b in complex with endogenous phosphatidylcholine and spacer Deposited 2006-05-18 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–298（280 aa） Fragment：extracellular domain of CD1b antigen
Mutation：BirA peptide tag (IDKLGGGLNDIFEAQKIEWHE) at C-terminus 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 6UL TETRACOSYL PALMITATE × 1 GOL GLYCEROL × 1 SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.5；293 K；1.5 M ammonium sulfate 5 % (v/v) isopropanol 0.1 M Na citrate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.80 Å R-free 0.241
3OV6 CD1c in complex with MPM (mannosyl-beta1-phosphomycoketide) Deposited 2010-09-15 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 201–295（95 aa） Fragment：beta-2-microglobulin
Mutation：C-terminal fusion to CD1c ectodomain, N52Q, N57Q, K108G, N128Q, N241Q, W242G, CD1c a3 domain replaced with CD1b a3 domain NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 D12 DODECANE × 1 MK0 1-O-[(S)-hydroxy{[(4S,8S,16S,20S)-4,8,12,16,20-pentamethylheptacosyl]oxy}phosphoryl]-beta-D-mannopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.45；291 K；0.1M CHES pH 9.45, 1.05M sodium citrate, 25 mM triglycine, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Resolution 2.50 Å R-free 0.273
3T8X Crystal structure of human CD1b in complex with synthetic antigenic diacylsulfoglycolipid SGL12 and endogenous spacer Deposited 2011-08-02 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–298（280 aa） Fragment：UNP residues 19-298
Not recorded SO4 SULFATE ION × 1 ACT ACETATE ION × 1 T8X 2-O-sulfo-alpha-D-glucopyranosyl 2-O-hexadecanoyl-3-O-[(2E,4S,6S,8S)-2,4,6,8-tetramethyltetracos-2-enoyl]-alpha-D-glucopyranoside × 1 ULI tetracontane × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.6；293 K；1.9 M Ammonium sulfate, 0.2 M Ammonium acetate, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.90 Å R-free 0.211
3T8X Crystal structure of human CD1b in complex with synthetic antigenic diacylsulfoglycolipid SGL12 and endogenous spacer Deposited 2011-08-02 Assembly 2 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 19–298（280 aa） Fragment：UNP residues 19-298
Not recorded SO4 SULFATE ION × 4 T8X 2-O-sulfo-alpha-D-glucopyranosyl 2-O-hexadecanoyl-3-O-[(2E,4S,6S,8S)-2,4,6,8-tetramethyltetracos-2-enoyl]-alpha-D-glucopyranoside × 1 ULI tetracontane × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.6；293 K；1.9 M Ammonium sulfate, 0.2 M Ammonium acetate, pH 6.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 1.90 Å R-free 0.211
4ONO CD1c in complex with PM (phosphomycoketide) Deposited 2014-01-28 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 201–297（97 aa）
Mutation：N52Q, N57Q, K108G, N128Q, N241Q, W242G PMK (4R,8S,16S,20R)-4,8,12,16,20-pentamethylheptacosyl dihydrogen phosphate × 1 CL CHLORIDE ION × 6 MLI MALONATE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 9.4；291 K；1.05 M sodium citrate, 100 mM CHES (pH 9.4), and 25 mM triglycine, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Resolution 2.71 Å R-free 0.271
5C9J Human CD1c with ligands in A' and F' channel Deposited 2015-06-27 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 203–295（93 aa）
Not recorded DAO LAURIC ACID × 2 STE STEARIC ACID × 1 GOL GLYCEROL × 4 PO4 PHOSPHATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293.15 K；0.2M Magnesium chloride, 0.1M Tris pH 8, 10% PEG 8000, 1:1 protein to precipitant ratio.
Resolution 2.40 Å R-free 0.200
5L2J Crystal Structure of human CD1b in complex with C36-GMM Deposited 2016-08-02 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded 6UL TETRACOSYL PALMITATE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ACT ACETATE ION × 2 CL CHLORIDE ION × 2 70E 6-O-[(2R,3R)-3-hydroxy-2-tetradecyldocosanoyl]-alpha-L-idopyranose × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；277 K；20-30 PEG 4000, 0.2M NaI, 2% EG
Resolution 1.65 Å R-free 0.199
5L2K Crystal structure of GEM42 TCR-CD1b-GMM complex Deposited 2016-08-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 20–296（277 aa）
Mutation：I160A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 SO4 SULFATE ION × 5 CL CHLORIDE ION × 4 NA SODIUM ION × 2 6UL TETRACOSYL PALMITATE × 1 CS CESIUM ION × 1 70E 6-O-[(2R,3R)-3-hydroxy-2-tetradecyldocosanoyl]-alpha-L-idopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；1.5-2M NH4SO4, 0.1M Tris-HCl pH8.5, 10mM MgCl2, 10mM CeCl2
Resolution 3.20 Å R-free 0.239
5L2K Crystal structure of GEM42 TCR-CD1b-GMM complex Deposited 2016-08-02 Assembly 2 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain A 20–296（277 aa）
Mutation：I160A NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 SO4 SULFATE ION × 20 CL CHLORIDE ION × 16 NA SODIUM ION × 8 6UL TETRACOSYL PALMITATE × 4 CS CESIUM ION × 4 70E 6-O-[(2R,3R)-3-hydroxy-2-tetradecyldocosanoyl]-alpha-L-idopyranose × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；1.5-2M NH4SO4, 0.1M Tris-HCl pH8.5, 10mM MgCl2, 10mM CeCl2
Resolution 3.20 Å R-free 0.239
5WKE Crystal Structure of Human CD1b in Complex with PS Deposited 2017-07-25 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded CUY tetracosyl octadecanoate × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 3 CL CHLORIDE ION × 7 P50 (19S,22S,25R)-25-amino-22-hydroxy-16,22,26-trioxo-17,21,23-trioxa-22lambda~5~-phosphahexacosan-19-yl (9Z)-octadec-9-enoate × 1 NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；27% PEG 3350, 0.2M Sodium Malonate
Resolution 1.69 Å R-free 0.239
5WKG Crystal Structure of Human CD1b in Complex with PA Deposited 2017-07-25 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 D21 (2R)-1-(hexadecanoyloxy)-3-(phosphonooxy)propan-2-yl (9Z)-octadec-9-enoate × 1 CUY tetracosyl octadecanoate × 1 PEG DI(HYDROXYETHYL)ETHER × 1 CL CHLORIDE ION × 4 EDO 1,2-ETHANEDIOL × 1 IOD IODIDE ION × 3 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；27% PET 3350, 0.2M Sodium malonate
Resolution 2.06 Å R-free 0.224
5WKI Crystal structure of PG90 TCR-CD1b-PG complex Deposited 2017-07-25 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded CUY tetracosyl octadecanoate × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 EDO 1,2-ETHANEDIOL × 12 NA SODIUM ION × 2 D3D (19S,22R,25R)-22,25,26-trihydroxy-16,22-dioxo-17,21,23-trioxa-22lambda~5~-phosphahexacosan-19-yl (9E)-octadec-9-enoate × 1 ACT ACETATE ION × 2 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.8；293 K；12% PEG8K, 0.2M Zinc Acetate, 0.1M MES pH 6.2
Resolution 2.75 Å R-free 0.252
5WL1 Crystal Structure of Human CD1b in Complex with PG Deposited 2017-07-25 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded CUY tetracosyl octadecanoate × 1 IOD IODIDE ION × 1 CL CHLORIDE ION × 1 NA SODIUM ION × 2 EDO 1,2-ETHANEDIOL × 3 D3D (19S,22R,25R)-22,25,26-trihydroxy-16,22-dioxo-17,21,23-trioxa-22lambda~5~-phosphahexacosan-19-yl (9E)-octadec-9-enoate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；26% PEG 3350, 0.2M Sodium Malonate
Resolution 1.38 Å R-free 0.206
6CUG Crystal structure of BC8B TCR-CD1b-PC complex Deposited 2018-03-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CUY tetracosyl octadecanoate × 1 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.2；293 K；PEG 3350, Tris-HCl
Resolution 2.40 Å R-free 0.229
6D64 Crystal Structure of Human CD1b in Complex with POPC Deposited 2018-04-20 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 CUY tetracosyl octadecanoate × 1 CL CHLORIDE ION × 7 EDO 1,2-ETHANEDIOL × 3 NA SODIUM ION × 1 IOD IODIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；PEG 3350, 0.2M Sodium Iodide, Ethylene Glycol
Resolution 1.70 Å R-free 0.211
7MX4 CD1c with antigen analogue 1 Deposited 2021-05-18 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 212–296（85 aa）
Mutation：N52Q, N57Q, K108G, N128Q, W241G NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZPD (4S,8R,12S,16S,20S)-4,8,12,16,20-pentamethylheptacosyl (1R,2S,3S,4R,5R)-2,3,4-trihydroxy-5-(hydroxymethyl)cyclohexyl hydrogen (R)-phosphate × 1 D12 DODECANE × 1 ZP7 (2S)-2,3-dihydroxypropyl hexadecanoate × 1 NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID × 1 MLA MALONIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.4；293 K；100 mM CHES, 1.05 M sodium citrate, 25 mM triglycine
Resolution 1.73 Å R-free 0.239
7MXF CD1c with antigen analogue 2 Deposited 2021-05-19 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 212–296（85 aa）
Mutation：N52Q, N57Q, K108G, N128Q, Y242G NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 NHE 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID × 1 ZQ4 2,6-anhydro-1-deoxy-1-[(S)-hydroxy{[(4R,8S,12R,16R,20S)-4,8,12,16,20-pentamethylheptacosyl]oxy}phosphoryl]-D-glycero-D-galacto-heptitol × 1 D12 DODECANE × 1 ZP7 (2S)-2,3-dihydroxypropyl hexadecanoate × 1 MLA MALONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.4；293 K；100 mM CHES, 1.05 M sodium citrate, 25 mM triglycine
Resolution 2.00 Å R-free 0.242
7MXH CD1c with antigen analogue 3 Deposited 2021-05-19 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 212–296（85 aa）
Mutation：N52Q, N57Q, K108G, N128Q, Y242G NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ZQ7 2,6-anhydro-1-deoxy-1,1-difluoro-1-[(R)-hydroxy{[(4S,8S,12S,16S,20S)-4,8,12,16,20-pentamethylheptacosyl]oxy}phosphoryl]-D-glycero-D-galacto-heptitol × 1 D12 DODECANE × 1 ZP7 (2S)-2,3-dihydroxypropyl hexadecanoate × 1 MLA MALONIC ACID × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 9.4；293 K；100 mM CHES, 1.05 M sodium citrate, 25 mM triglycine
Resolution 2.11 Å R-free 0.255
8DV3 Crystal structure of human CD1b presenting Phosphatidylinositol C34:1 Deposited 2022-07-28 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded EDO 1,2-ETHANEDIOL × 6 CL CHLORIDE ION × 6 NA SODIUM ION × 2 6UL TETRACOSYL PALMITATE × 1 IOD IODIDE ION × 2 PIE 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphoinositol × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；24% PEG 3350, 0.2M Sodium Iodide, 2% ethylene glycol
Resolution 1.90 Å R-free 0.253
8DV4 Crystal structure of the BC8B TCR-CD1b-PI complex Deposited 2022-07-28 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded EDO 1,2-ETHANEDIOL × 2 GOL GLYCEROL × 2 MAN alpha-D-mannopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CUY tetracosyl octadecanoate × 1 CL CHLORIDE ION × 1 NA SODIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；24 %(w/v) PEG 4000, 0.02 M Tris-HCl (pH 7.0), 2% ethylene glycol
Resolution 2.40 Å R-free 0.255
8GLE Crystal Structure of Human CD1b in Complex with Lysosulfatide Deposited 2023-03-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded SGF (2S,3R,4E)-2-amino-3-hydroxyoctadec-4-en-1-yl 3-O-sulfo-beta-D-galactopyranoside × 1 CUY tetracosyl octadecanoate × 1 IOD IODIDE ION × 1 EDO 1,2-ETHANEDIOL × 4 CL CHLORIDE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；26% PEG3350, 0.1 M sodium iodide, 2% ethylene glycol
Resolution 1.85 Å R-free 0.229
8GLF Crystal Structure of Human CD1b in Complex with Sphingomyelin C34:2 Deposited 2023-03-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded EDO 1,2-ETHANEDIOL × 2 3LY [(~{Z},2~{R},3~{S})-2-(hexadecanoylamino)-3-oxidanyl-octadec-4-enyl] 2-(trimethyl-$l^{4}-azanyl)ethyl hydrogen phosphate × 1 6UL TETRACOSYL PALMITATE × 1 CL CHLORIDE ION × 4 IOD IODIDE ION × 2 NI NICKEL (II) ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；28% PEG3350, 0.2 M sodium iodide
Resolution 2.00 Å R-free 0.231
8GLG Crystal Structure of Human CD1b in Complex with Phosphatidylethanolamine C34:1 Deposited 2023-03-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded L9Q (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 1 NI NICKEL (II) ION × 1 CUY tetracosyl octadecanoate × 1 CL CHLORIDE ION × 4 IOD IODIDE ION × 2 EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；27% PEG3350, 0.1 M sodium iodide
Resolution 1.60 Å R-free 0.209
8GLH Crystal Structure of Human CD1b in Complex with Endogenous PC C40:5 Deposited 2023-03-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded IOD IODIDE ION × 3 3IV (11E)-hexadec-11-enoic acid × 1 3IY [(2~{R})-1-dodecanoyloxy-3-[oxidanyl-[2-(trimethyl-$l^{4}-azanyl)ethoxy]phosphoryl]oxy-propan-2-yl] (8~{Z},11~{Z},14~{Z},24~{Z},27~{Z})-triaconta-8,11,14,24,27-pentaenoate × 1 EDO 1,2-ETHANEDIOL × 4 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；24% PEG3350, 0.2 M sodium iodide, 2% ethylene glycol
Resolution 1.83 Å R-free 0.221
8GLI Crystal Structure of Human CD1b in Complex with Mycobacterial C85-GMM Deposited 2023-03-22 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–296（277 aa）
Not recorded ZR2 6-O-[(2R,3R)-3-hydroxy-20-{(1R,2S)-2-[(17R,18R)-17-methoxy-18-methyldotriacontyl]cyclopropyl}-2-pentadecylicosanoyl]-alpha-L-galactopyranose × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CL CHLORIDE ION × 1 IOD IODIDE ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293.15 K；26% PEG3350, 0.2 M sodium iodide, 2% ethylene glycol
Resolution 2.10 Å R-free 0.267
8ZOX 3D structure of Y-50 TCR-TMM-CD1b ternary complex Deposited 2024-05-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 18–295（278 aa）
Not recorded 6UL TETRACOSYL PALMITATE × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 GLC alpha-D-glucopyranose × 1 A1L2B [(2R,3S,4S,5R,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl (2R,3R)-3-oxidanyl-2-tetradecyl-octadecanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.18 Å
9OI0 Crystal structure of CD1b presenting ganglioside GD3 Deposited 2025-05-05 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 22–296（275 aa）
Not recorded IOD IODIDE ION × 4 CL CHLORIDE ION × 2 EDO 1,2-ETHANEDIOL × 3 A1CDL N-{(2S,3R,4E)-1-[(4-O-beta-D-galactopyranosyl-beta-D-glucopyranosyl)oxy]-3-hydroxyoctadec-4-en-2-yl}octadecanamide × 1 CUY tetracosyl octadecanoate × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；22% PEG 3350, 0.1 M Sodium Iodide
Resolution 1.84 Å R-free 0.266

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.