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2k01

Structure of a locked SDF1 dimer

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Stromal cell-derived factor 1

Homo sapiens

UniProt P48061

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1sdf 1vmc 2kec 2ked 2kee 2kol 2sdf 6shr

8 assemblies

Homodimer
1a15 1qg7 2j7z 2k01 4uai

5 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2k03 2k04 2k05 2n55 2nwg 4lmq 4lmq 7sk3 7sk4 7sk5 7sk6 7sk7

20 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name SDF1_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 3–70； UniProt 22–89 Author chain C； PDBConstruct 3–70； UniProt 22–89

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_id2k01
Deposition date deposition_date2008-01-23
Structure title titleStructure of a locked SDF1 dimer
Keywords keywords;stromal cell derived factor-1, SDF1-alpha, CXCL12, chemokine, sulfotyrosine, locked dimer, Alternative splicing, Chemotaxis, Cytokine, Growth factor, Secreted ;; CYTOKINE
Experimental Method methodSOLUTION NMR
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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.

2k01__assembly_1__model_14

Assembly 1 · Model 14 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2k01__assembly_1__model_14 | I(q)

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

2k01__assembly_1__model_14 | 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）15.91 Å
Rg (electron density)14.48 Å
Total Rg15.69 Å
Atom count2273
Residues136
Excluded volume20085 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2k01__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2k01__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2k01__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2k01__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2k01__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2k01__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2k01__assembly_1__model_7 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2k01__assembly_1__model_8 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2k01__assembly_1__model_9 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2k01__assembly_1__model_10 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2k01__assembly_1__model_11 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2k01__assembly_1__model_12 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2k01__assembly_1__model_13 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2k01__assembly_1__model_14 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2k01__assembly_1__model_15 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2k01__assembly_1__model_16 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2k01__assembly_1__model_17 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2k01__assembly_1__model_18 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2k01__assembly_1__model_19 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2k01__assembly_1__model_20 dimeric （2） 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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2k01a_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.9 — IL8-like
Superfamily Superfamily superfamilyd.9.1 — Interleukin 8-like chemokines
Family Family familyd.9.1.1 — Interleukin 8-like chemokines
Domain ID domain_idd2k01c_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.9 — IL8-like
Superfamily Superfamily superfamilyd.9.1 — Interleukin 8-like chemokines
Family Family familyd.9.1.1 — Interleukin 8-like chemokines

CATH v4.4 (2 domains)

Domain ID domain_id2k01A00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily40 —
Domain ID domain_id2k01C00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily40 —
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7. Citations (1)