Barrier-to-autointegration factor, N-terminally processed
Homo sapiens
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count | Chain A; UniProt 2–89 Chain C; UniProt 2–89 | Mutation:A12T | Lamin-A/C × 1 (P02545) CL CHLORIDE ION × 2 | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9;293 K;3 M ammonium sulfate 0.1 M bicine pH 9 | Resolution 1.63 Å R-free 0.300 |
| 2 | Protein heterocomplex Heteromer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count | Chain B; UniProt 2–89 Chain D; UniProt 2–89 | Mutation:A12T | Lamin-A/C × 1 (P02545) CL CHLORIDE ION × 2 | X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 9;293 K;3 M ammonium sulfate 0.1 M bicine pH 9 | Resolution 1.63 Å R-free 0.300 |
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.
| Other PDB | Difference from Current Entry 7Z21 | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 1CI4 THE CRYSTAL STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR (BAF) Deposited 1999-04-07 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) Non-standard monomer:Yes (specific site not provided by mmCIF) | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 6.5;DIALYSIS OF PROTEIN AT 8.3 MG/ML IN 20MM TRIS HCL AT PH7.0, 10%(W/V) GLYCEROL,
150MM NACL, 10MM DTT, AND 0.1MM EDTA AGAINST 20MM IMIDAZOLE AT PH 6.5, 80MM
NACL, AND 10MM DTT. DIALYSIS DONE AT ROOM TEMPERATURE.(ALL CONCENTRATIONS ARE IN
MILLI-MOLAR)
|
Resolution 1.90 Å R-free 0.262 |
| 1QCK SOLUTION STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR BAF, NMR, REGULARIZED MEAN STRUCTURE PLUS 20 INDIVIDUAL SIMULATED ANNEALING STRUCTURES Deposited 1999-05-06 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.5;313 K
|
Resolution not provided |
| 2BZF Structural basis for DNA bridging by barrier-to-autointegration factor (BAF) Deposited 2005-08-16 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Homooligomer;Protein × 2 PDB declaration: hexameric |
Chain A
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
pH 7.4;pH 7.40
|
Resolution 2.87 Å R-free 0.268 |
| 2EZX SOLUTION STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR BAF, NMR, REGULARIZED MEAN STRUCTURE Deposited 1998-07-26 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.5;313 K
|
Resolution not provided |
| 2EZY SOLUTION STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR BAF, NMR, ENSEMBLE OF 20 SIMULATED ANNEALING STRUCTURES Deposited 1998-07-26 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.5;313 K
|
Resolution not provided |
| 2EZZ SOLUTION STRUCTURE OF HUMAN BARRIER-TO-AUTOINTEGRATION FACTOR BAF NMR, ENSEMBLE OF 20 SIMULATED ANNEALING STRUCTURES Deposited 1998-07-26 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.5;313 K
|
Resolution not provided |
| 2ODG Complex of barrier-to-autointegration factor and LEM-domain of emerin Deposited 2006-12-22 | Different construct Different mutation/modification Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
1–89(89 aa)
Fragment:RESIDUES 1-89
Chain B
1–89(89 aa)
Fragment:RESIDUES 1-89
|
Not recorded | No recorded non-water small molecule |
SOLUTION NMR
NMR measurement conditions
pH 6.5;303 K;Ionic strength (raw mmCIF value) 50 mM POTASSIUM PHOSPHATE 200 mM NACL
|
Resolution not provided |
| 6GHD Structural analysis of the ternary complex between lamin A/C, BAF and emerin identifies an interface disrupted in autosomal recessive progeroid diseases Deposited 2018-05-07 | Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain D
2–89(88 aa)
Chain E
2–89(88 aa)
|
Not recorded | SO4 SULFATE ION × 5 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;277 K;25% PEG3.350, 20mM Tris-BispH5.5, 30mM NaCl, 0.2M NH4SO4
|
Resolution 2.10 Å R-free 0.247 |
| 6GHD Structural analysis of the ternary complex between lamin A/C, BAF and emerin identifies an interface disrupted in autosomal recessive progeroid diseases Deposited 2018-05-07 | Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
2–89(88 aa)
Chain C
2–89(88 aa)
|
Not recorded | SO4 SULFATE ION × 3 EDO 1,2-ETHANEDIOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;277 K;25% PEG3.350, 20mM Tris-BispH5.5, 30mM NaCl, 0.2M NH4SO4
|
Resolution 2.10 Å R-free 0.247 |
| 6UNT Barrier-to-autointegration factor soaked in DMSO: 1 of 14 in MSCS set Deposited 2019-10-13 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.75 Å R-free 0.223 |
| 6URE Barrier-to-autointegration factor Aqueous: 1 of 14 in MSCS set Deposited 2019-10-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.202 |
| 6URJ Barrier-to-autointegration factor soaked in Acetone: 1 of 14 in MSCS set Deposited 2019-10-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.192 |
| 6URK Barrier-to-autointegration factor soaked in Glycerol: 1 of 14 in MSCS set Deposited 2019-10-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.86 Å R-free 0.226 |
| 6URL Barrier-to-autointegration factor soaked in isopropanol: 1 of 14 in MSCS set Deposited 2019-10-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.72 Å R-free 0.201 |
| 6URN Barrier-to-autointegration factor t-butanol: 1 of 14 in MSCS set Deposited 2019-10-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.68 Å R-free 0.204 |
| 6URR Barrier-to-autointegration factor soaked in Dioxane: 1 of 14 in MSCS set Deposited 2019-10-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.80 Å R-free 0.230 |
| 6URZ Barrier-to-autointegration factor soaked in methanol: 1 of 14 in MSCS set Deposited 2019-10-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 MOH METHANOL × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.201 |
| 6US0 Barrier-to-autointegration factor soaked in R,S,R-bisfuranol (RSR): 1 of 14 in MSCS set Deposited 2019-10-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.201 |
| 6US1 Barrier-to-autointegration factor soaked in isobutanol: 1 of 14 in MSCS set Deposited 2019-10-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.199 |
| 6US7 Barrier-to-autointegration factor soaked in TMAO: 1 of 14 in MSCS set Deposited 2019-10-24 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.198 |
| 6USB Barrier-to-autointegration factor soaked in urea: 1 of 14 in MSCS set Deposited 2019-10-25 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.68 Å R-free 0.210 |
| 6USD Barrier-to-autointegration factor soaked in ethanol: 1 of 14 in MSCS set Deposited 2019-10-25 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 3 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.202 |
| 6USI Barrier-to-autointegration factor soaked in 1,6-hexanediol: 1 of 14 in MSCS set Deposited 2019-10-26 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein homooligomer Homooligomer;Protein × 2 PDB declaration: dimeric |
Chain A
1–89(89 aa)
Chain B
1–89(89 aa)
|
Not recorded | EOH ETHANOL × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 8.5;277.15 K;80 mM Tris pH 8.5, 16% Ethanol, 10% PEG-1450
|
Resolution 1.65 Å R-free 0.208 |
| 7ABM X-ray structure of phosphorylated Barrier-to-autointegration factor (BAF) Deposited 2020-09-08 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric |
Chain A
3–88(86 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) | CS CESIUM ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, SITTING DROP;pH 8;293 K;pBAF was crystallized by the hanging drop method against 0.2 M sodium fluoride, 20% w/v PEG 3350
|
Resolution 3.00 Å R-free 0.326 |
| 7NDY Di-phosphorylated Barrier-to-Autointegration Factor (BAF) in complex with LEM domain of Emerin Deposited 2021-02-02 | Different mutation/modification Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
2–89(88 aa)
Chain B
2–89(88 aa)
|
Non-standard monomer:Yes (specific site not provided by mmCIF) Non-standard monomer:Yes (specific site not provided by mmCIF) | EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;Hepes Sodium salt 0.1 M pH 7.5
PEG 600 25% W/V
|
Resolution 1.44 Å R-free 0.225 |
| 9J8M Cryo-EM structure of BAF-Lamin A/C IgF-nucleosome complex (High mobility complex) Deposited 2024-08-21 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 11 PDB declaration: tridecameric |
Chain K
1–89(89 aa)
Chain L
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.82 Å |
| 9J8N Cryo-EM structure of BAF-Lamin A/C IgF-nucleosome complex (Low mobility complex) Deposited 2024-08-21 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 28 PDB declaration: 32-meric |
Chain K
1–89(89 aa)
Chain L
1–89(89 aa)
Chain N
1–89(89 aa)
Chain O
1–89(89 aa)
Chain k
1–89(89 aa)
Chain l
1–89(89 aa)
Chain n
1–89(89 aa)
Chain o
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 7.14 Å |
| 9J8O Cryo-EM structure of BAF-Lamin A/C IgF-H1-nucleosome complex Deposited 2024-08-21 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–DNA Heteromer;Protein × 24 PDB declaration: 28-meric |
Chain K
1–89(89 aa)
Chain L
1–89(89 aa)
Chain k
1–89(89 aa)
Chain l
1–89(89 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 4.05 Å |
27 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | BAF_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 2–89; UniProt 2–89 Author chain B; PDBConstruct 2–89; UniProt 2–89 Author chain C; PDBConstruct 2–89; UniProt 2–89 Author chain D; PDBConstruct 2–89; UniProt 2–89 |