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Backbone-modified variant of zinc finger 2 from the transcription factor Sp1 DNA binding domain: altered helix, loop, turn, and sheet
Authors
Rao, S.R., Horne, W.S.
Assembly
Transcription factor Sp1
Entity
1. Transcription factor Sp1, entity 1 (polymer, Thiol state: all other bound), 31 monomers, 3643.188 Da Detail

PFXCTWXGCG KXFTRSXELQ XHKXTHXGEK X


2. Transcription factor Sp1, entity ZN (non-polymer), 65.409 Da
Total weight
3708.597 Da
Max. entity weight
3643.188 Da
Entity Connection
na 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1nasing1:CYS4:SG2:ZN1:ZN
2nasing1:CYS9:SG2:ZN1:ZN
3nasing1:HIS22:NE22:ZN1:ZN
4nasing1:HIS26:NE22:ZN1:ZN

Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 74.2 %, Completeness: 98.6 %, Completeness (bb): 97.9 % Detail

Polymer type: polypeptide(L)

Total1H
All98.6 % (144 of 146)98.6 % (144 of 146)
Backbone97.9 % (47 of 48)97.9 % (47 of 48)
Sidechain99.0 % (97 of 98)99.0 % (97 of 98)
Aromatic100.0 % (20 of 20)100.0 % (20 of 20)
Methyl100.0 % (5 of 5)100.0 % (5 of 5)

1. entity 1

PFXCTWXGCG KXFTRSXELQ XHKXTHXGEK X

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6, Details 1.2 mM zinc finger 2 from transcription factor Sp1 DNA-binding domain, fully modified variant, 10 mM [U-2H] TRIS, 0.05 mM DSS, 1.8 mM zinc chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1entity_1natural abundance1.2 mM
2TRIS[U-2H]10 mM
3DSSnatural abundance0.05 mM
4zinc chloridenatural abundance1.8 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 6PV3, Strand ID: A Detail


Release date
2019-09-10
Citation
Proteomimetic Zinc Finger Domains with Modified Metal-binding β-Turns
Rao, S.R., Horne, W.S.
Pept. Sci (Hoboken). (2020), 112, e24177-e24177, PubMed 33733039 , DOI 10.1002/pep2.24177 ,
Related entities 1. Transcription factor Sp1, entity 1, : 1 : 2 : 560 entities Detail
Experiments performed 3 experiments Detail
Chemical shift validation 4 contents Detail
Keywords DNA BINDING PROTEIN, foldamer, proteomimetic, zinc finger