1xwd

Crystal Structure of Human Follicle Stimulating Hormone Complexed with its Receptor

Method: X-RAY DIFFRACTION Dmax: 108.2 Å Quality: GOOD

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

Glycoprotein hormones alpha chain

Homo sapiens

UniProt P01215

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 × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 25–116 Not recorded Follitropin beta chain × 1 (P01225) Follicle stimulating hormone receptor × 1 (P23945) 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 × 4 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain D; UniProt 25–116 Not recorded Follitropin beta chain × 1 (P01225) Follicle stimulating hormone receptor × 1 (P23945) beta-D-mannopyranose-(1-4)-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 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259

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.

15 other PDB entries and 19 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name GLHA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–92; UniProt 25–116 Author chain D; PDBConstruct 1–92; UniProt 25–116

Follitropin beta chain

Homo sapiens

UniProt P01225

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 × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 19–129 Not recorded Glycoprotein hormones alpha chain × 1 (P01215) Follicle stimulating hormone receptor × 1 (P23945) 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 × 4 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain E; UniProt 19–129 Not recorded Glycoprotein hormones alpha chain × 1 (P01215) Follicle stimulating hormone receptor × 1 (P23945) beta-D-mannopyranose-(1-4)-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 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259

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.

5 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FSHB_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–111; UniProt 19–129 Author chain E; PDBConstruct 1–111; UniProt 19–129

Follicle stimulating hormone receptor

Homo sapiens

UniProt P23945

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 × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain C; UniProt 17–268 Fragment:Extracellular domain Glycoprotein hormones alpha chain × 1 (P01215) Follitropin beta chain × 1 (P01225) 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 × 4 SO4 SULFATE ION × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259
2 Other combination Heteromer Protein × 3 其他Polymer 1 PDB declaration: trimeric(3) Consistent with protein copy count Chain F; UniProt 17–268 Fragment:Extracellular domain Glycoprotein hormones alpha chain × 1 (P01215) Follitropin beta chain × 1 (P01225) beta-D-mannopyranose-(1-4)-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 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 6.4;293 K;PEG 3350, lithium sulfate, pH 6.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K Resolution 2.92 Å R-free 0.259

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.

4 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FSHR_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–252; UniProt 17–268 Author chain F; PDBConstruct 1–252; UniProt 17–268

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

SAXS profile for 1xwd

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1xwd
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1xwd
Deposition date deposition_date2004-10-30
Structure title titleCrystal Structure of Human Follicle Stimulating Hormone Complexed with its Receptor
Keywords keywordsHormone-receptor complex, Leucine-rich repeats, Cysteine-knot motif, Hormone-Growth Factor COMPLEX; Hormone/Growth Factor
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.28
Radius of gyration Rg (electron density) rg_electron32.61
Forward intensity I(0) i0164425000.00
Molecular weight molecular_weight99847.0 kDa
Excluded volume excluded_volume123990 ų
Envelope volume envelope_volume162240 ų
Hydration-shell volume shell_volume41684 ų
Envelope diameter envelope_diameter118.6
Shell Rg shell_rg39.02
Envelope Rg envelope_rg32.55
Shape Rg shape_rg32.57
Total Rg total_rg33.26
Total atoms total_atoms6981
Residues n_residues862
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax108.2
Rg (real space) rg_real33.31
Rg uncertainty (real space) rg_real_error0.88
I(0) (real space) i0_real1.6440e+08
I(0) uncertainty (real space) i0_real_error2.4840e+06
Rg (reciprocal space) rg_reciprocal33.30
I(0) (reciprocal space) i0_reciprocal164400000.0000
Solution quality estimate total_estimate0.8889
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary36.0
Skewness Skewness skewness0.360
Kurtosis Kurtosis kurtosis-0.382
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha18900000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.898; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.867

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (8)

7. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1xwda_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.4 — Gonadodropin/Follitropin
Domain ID domain_idd1xwdb1
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.4 — Gonadodropin/Follitropin
Domain ID domain_idd1xwdc1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamilyc.10.2 — L domain-like
Family Family familyc.10.2.7 — Ngr ectodomain-like
Domain ID domain_idd1xwdd_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.4 — Gonadodropin/Follitropin
Domain ID domain_idd1xwde_
Class classg — Small proteins
Fold Fold foldg.17 — Cystine-knot cytokines
Superfamily Superfamily superfamilyg.17.1 — Cystine-knot cytokines
Family Family familyg.17.1.4 — Gonadodropin/Follitropin
Domain ID domain_idd1xwdf_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Superfamily Superfamily superfamilyc.10.2 — L domain-like
Family Family familyc.10.2.7 — Ngr ectodomain-like

CATH v4.4 (6 domains)

Domain ID domain_id1xwdA00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1xwdB00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1xwdC00
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor
Domain ID domain_id1xwdD00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1xwdE00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology90 — Cystine Knot Cytokines, subunit B
Homologous superfamily homologous superfamily10 — Cystine-knot cytokines
Domain ID domain_id1xwdF00
Class class3 — Alpha Beta
Architecture architecture80 — Alpha-Beta Horseshoe
Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily10 — Ribonuclease Inhibitor

8. Citations (1)

9. Files and Curves (10)