← Back to search
3skp

The structure of apo-human transferrin C-lobe with bound sulfate ions

Method: X-RAY DIFFRACTION
▼

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

Serotransferrin

Homo sapiens

UniProt P02787

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 SULFATE ION × 8 water × 1 Consistent with protein count
2 Protein homooligomer Homooligomer Protein 4 SULFATE ION × 32 water × 4 Consistent with protein count
3 Protein homooligomer Homooligomer Protein 2 SULFATE ION × 16 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1a8e 1a8f 1b3e 1bp5 1bp5 1bp5 1bp5 1btj 1btj 1d3k 1d4n 1dtg

68 assemblies; showing the first 12

Homodimer
3skp

1 assemblies

Homotetramer
3skp

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
1suv 3s9l 3s9l 3s9m 3s9m 3s9n 3s9n 3v89 3v8x 3ve1 3ve1 6d03

25 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name TRFE_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 2–342； UniProt 358–698

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id3skp
Deposition date deposition_date2011-06-22
Structure title titleThe structure of apo-human transferrin C-lobe with bound sulfate ions
Keywords keywordstransferrin, iron binding protein, transferrin receptor, TbpA, TbpB, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION
▼

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.

3skp__assembly_1__model_1

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

Download this curve (.dat)

3skp__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3skp__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）21.81 Å
Rg (electron density)20.92 Å
Total Rg21.75 Å
Atom count2632
Residues338
Excluded volume46144 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3skp__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 3skp__assembly_2__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 3skp__assembly_3__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3skpa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.94 — Periplasmic binding protein-like II
Superfamily Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
Family Family familyc.94.1.2 — Transferrin

CATH v4.4 (2 domains)

Domain ID domain_id3skpA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
Domain ID domain_id3skpA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
Homologous superfamily homologous superfamily10 — Periplasmic binding protein-like II
▶

7. Citations (1)