2GI9: Immunoglobulin B1 binding domain of protein G

Backbone Conformational Constraints in a Microcrystalline U-15N-Labeled Protein by 3D Dipolar-Shift Solid-State NMR Spectroscopy. Determined by X-ray diffraction at 1.14 Å resolution. Released 25 Apr 2006.

Method: X-ray diffraction
Resolution: 1.14 Å
Organism: Staphylococcus aureus
Chains: 1
Atoms: 557
Mol. weight: 6.23 kDa
Released: 25 Apr 2006

Explore 2GI9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2GI9 contains 1 α-helix and 4 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 1 helix, 4 β-strands

Element	Residues	Length	Sheet
β-strand	2-8	7	1
β-strand	13-19	7	1
α-helix	23-36	14
β-strand	42-46	5	1
β-strand	51-55	5	1

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Immunoglobulin B1 binding domain of protein G	A	protein	56	Staphylococcus aureus	P19909 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>2GI9_1 Immunoglobulin B1 binding domain of protein G (chains A)
MQYKLILNGKTLKGETTTEAVDAATAEKVFKQYANDNGVDGEWTYDDATKTFTVTE

Primary citation

Backbone Conformational Constraints in a Microcrystalline U-15N-Labeled Protein by 3D Dipolar-Shift Solid-State NMR Spectroscopy. Franks, W.T., Wylie, B.J., Stellfox, S.A. et al. J Am Chem Soc (2006) 128:3154-3155. DOI 10.1021/ja058292x · PubMed

Other PDB entries of the same protein (UniProt P19909 (AlphaFold model), which also has an AlphaFold model), best resolution first:

3FIL 0.88 Å, Structural and energetic determinants for hyperstable variants of GB1 obtained from…
2QMT 1.05 Å, Crystal Polymorphism of Protein GB1 Examined by Solid-state NMR and X-ray Diffraction
9I2I 1.08 Å, X-ray structure of the B1 domain of streptococcal protein G triple mutant T2Q, N8D, and…
6CHE 1.1 Å, Selenomethionine mutant (A34Sem) of protein GB1 examined by X-ray diffraction
6CPZ 1.12 Å, Selenomethionine mutant (I6Sem) of protein GB1 examined by X-ray diffraction
6C9O 1.2 Å, Selenomethionine mutant (V29Sem) of protein GB1 examined by X-ray diffraction
6CTE 1.2 Å, 77Se-NMR probes the protein environment of selenomethionine
6OC7 1.3 Å, HMP42 Fab in complex with Protein G
6NLA 1.34 Å, Crystal structure of de novo designed metal-controlled dimer of B1…
2ON8 1.35 Å, Gbeta1 stabilization by in vitro evolution and computational design
12LO 1.37 Å, X-ray crystal structure of Protein GB1 mutant K13A
6NL6 1.4 Å, Crystal structure of mutant B1 immunoglobulin-binding domain of Streptococcal Protein G…

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