8imx

Cryo-EM structure of GPI-T with a chimeric GPI-anchored protein

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484

Homo sapiens

UniProt Q9BZM5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484 × 1 (O43292,Q9U6Y3) GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484 × 1 (Q92643,Q9U6Y3) GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484 × 1 (Q96S52,Q9U6Y3) GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484 × 1 (Q969N2,Q9U6Y3) Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9H490,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ULBP2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain D; PDBConstruct 2–25; UniProt 2–25 Author chain D; PDBConstruct 289–327; UniProt 208–246

UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484

Homo sapiens

UniProt Q9U6Y3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GFPL_CLASP
Isoform —
PDB entities 1, 2, 3, 4, 5, 6
Chains and sequence ranges Author chain D; PDBConstruct 34–249; UniProt 45–260 Author chain G; PDBConstruct 642–857; UniProt 45–260 Author chain K; PDBConstruct 416–631; UniProt 45–260 Author chain S; PDBConstruct 576–791; UniProt 45–260 Author chain T; PDBConstruct 599–814; UniProt 45–260 Author chain U; PDBConstruct 456–671; UniProt 45–260

Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484

Clavularia sp.

UniProt O43292

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9BZM5,Q9U6Y3) GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484 × 1 (Q92643,Q9U6Y3) GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484 × 1 (Q96S52,Q9U6Y3) GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484 × 1 (Q969N2,Q9U6Y3) Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9H490,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GPAA1_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain G; PDBConstruct 4–623; UniProt 2–621

GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484

Clavularia sp.

UniProt Q92643

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9BZM5,Q9U6Y3) Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484 × 1 (O43292,Q9U6Y3) GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484 × 1 (Q96S52,Q9U6Y3) GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484 × 1 (Q969N2,Q9U6Y3) Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9H490,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name GPI8_HUMAN
Isoform —
PDB entities 3
Chains and sequence ranges Author chain K; PDBConstruct 4–397; UniProt 2–395

GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484

Clavularia sp.

UniProt Q96S52

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9BZM5,Q9U6Y3) Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484 × 1 (O43292,Q9U6Y3) GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484 × 1 (Q92643,Q9U6Y3) GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484 × 1 (Q969N2,Q9U6Y3) Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9H490,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PIGS_HUMAN
Isoform —
PDB entities 4
Chains and sequence ranges Author chain S; PDBConstruct 4–557; UniProt 2–555

GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484

Clavularia sp.

UniProt Q969N2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9BZM5,Q9U6Y3) Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484 × 1 (O43292,Q9U6Y3) GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484 × 1 (Q92643,Q9U6Y3) GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484 × 1 (Q96S52,Q9U6Y3) Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9H490,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PIGT_HUMAN
Isoform —
PDB entities 5
Chains and sequence ranges Author chain T; PDBConstruct 4–580; UniProt 2–578

Phosphatidylinositol glycan anchor biosynthesis class U protein,GFP-like fluorescent chromoprotein cFP484

Clavularia sp.

UniProt Q9H490

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Heteromer Protein 7 其他Polymer 1 UL16-binding protein 2,GFP-like fluorescent chromoprotein cFP484 × 1 (Q9BZM5,Q9U6Y3) Glycosylphosphatidylinositol anchor attachment 1 protein,GFP-like fluorescent chromoprotein cFP484 × 1 (O43292,Q9U6Y3) GPI-anchor transamidase,GFP-like fluorescent chromoprotein cFP484 × 1 (Q92643,Q9U6Y3) GPI transamidase component PIG-S,GFP-like fluorescent chromoprotein cFP484 × 1 (Q96S52,Q9U6Y3) GPI transamidase component PIG-T,GFP-like fluorescent chromoprotein cFP484 × 1 (Q969N2,Q9U6Y3) Met-Ser-Ser peptide × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CHOLESTEROL HEMISUCCINATE × 13 MAGNESIUM ION × 1 [(2~{R})-1-[2-azanylethoxy(oxidanyl)phosphoryl]oxy-3-hexadecanoyloxy-propan-2-yl] (~{Z})-octadec-9-enoate × 4 Digitonin × 1 CALCIUM ION × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 2 1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholine × 1 ;[(2R)-1-hexadecanoyloxy-3-[[3-[[(2R)-3-hexadecanoyloxy-2-[(Z)-octadec-9-enoyl]oxy-propoxy]-oxidanyl-phosphoryl]oxy-2-oxidanyl-propoxy]-oxidanyl-phosphoryl]oxy-propan-2-yl] (Z)-octadec-9-enoate ; × 1 2-azanylethyl [(2R,3S,4S,5S,6S)-3,4,5,6-tetrakis(oxidanyl)oxan-2-yl]methyl hydrogen phosphate × 2 2-amino-2-deoxy-alpha-D-glucopyranose × 1 2-azanylethyl [(2~{S},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-2,4,5-tris(oxidanyl)oxan-3-yl] hydrogen phosphate × 1 ;[(2R)-1-[[(1S,2R,3R,4S,5S,6R)-2-hexadecanoyloxy-3,4,5,6-tetrakis(oxidanyl)cyclohexyl]oxy-oxidanyl-phosphoryl]oxy-3-octadecoxy-propan-2-yl] (5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoate ; × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PIGU_HUMAN
Isoform —
PDB entities 6
Chains and sequence ranges Author chain U; PDBConstruct 4–437; UniProt 2–435

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id8imx
Deposition date deposition_date2023-03-07
Structure title titleCryo-EM structure of GPI-T with a chimeric GPI-anchored protein
Keywords keywordscryo-EM, glycosylphosphatidylinositol, GPI, GPI anchored protein, GPI-AP, membrane protein complex, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

8imx__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

8imx__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8imx__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)43.26 Å
Rg (electron density)43.18 Å
Total Rg43.52 Å
Atom count19779
Residues2402
Excluded volume361830 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8imx__assembly_1__model_1 heptameric (7) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (20)

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7. Citations (1)