1BFK: Subtilisin carlsberg in 40% acetonitrile

Crystal structure of subtilisin carlsberg in 40% acetonitrile. Determined by X-ray diffraction at 2.3 Å resolution. Released 28 Oct 1998.

Method: X-ray diffraction
Resolution: 2.3 Å
Organism: Bacillus licheniformis
Chains: 1
Atoms: 2,010
Mol. weight: 27.55 kDa
Ligands: CCN, CA
Released: 28 Oct 1998

Explore 1BFK in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1BFK contains 13 α-helices and 14 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: 13 helices, 14 β-strands

Element	Residues	Length	Sheet
α-helix	7-10	4
α-helix	13-19	7
β-strand	27-32	6	1
β-strand	44-49	6	1
α-helix	64-73	10
β-strand	89-94	6	1
α-helix	104-116	13
β-strand	121-124	4	1
β-strand	128	1	2
α-helix	133-144	12
β-strand	148-152	5	1
β-strand	167	1	2
β-strand	175-180	6	1
α-helix	185	1
β-strand	186	1	1
α-helix	187	1
β-strand	196-201	6	1
β-strand	205-209	5	3
β-strand	213-217	5	3
α-helix	220-235	16
α-helix	243-252	10
α-helix	254	1
β-strand	255	1	1
α-helix	256	1
α-helix	260-263	4
β-strand	267	1	1
α-helix	270-273	4

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Subtilisin carlsberg	A	protein	274	Bacillus licheniformis	P00780 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>1BFK_1 SUBTILISIN CARLSBERG (chains A)
AQTVPYGIPLIKADKVQAQGFKGANVKVAVLDTGIQASHPDLNVVGGASFVAGEAYNTDG
NGHGTHVAGTVAALDNTTGVLGVAPSVSLYAVKVLNSSGSGSYSGIVSGIEWATTNGMDV
INMSLGGASGSTAMKQAVDNAYARGVVVVAAAGNSGNSGSTNTIGYPAKYDSVIAVGAVD
SNSNRASFSSVGAELEVMAPGAGVYSTYPTNTYATLNGTSMASPHVAGAAALILSKHPNL
SASQVRNRLSSTATYLGSSFYYGKGLINVEAAAQ

Ligands and cofactors

ID	Name	Formula	Copies
CCN	Acetonitrile	C2 H3 N	5
CA	Calcium ion	Ca	1

Primary citation

Organic solvent binding to crystalline subtilisin1 in mostly aqueous media and in the neat solvents. Schmitke, J.L., Stern, L.J., Klibanov, A.M. Biochem Biophys Res Commun (1998) 248:273-277. DOI 10.1006/bbrc.1998.8937 · PubMed

Other PDB entries of the same protein (UniProt P00780 (AlphaFold model), which also has an AlphaFold model), best resolution first:

1R0R 1.1 Å, 1.1 Angstrom Resolution Structure of the Complex Between the Protein Inhibitor, OMTKY3,…
1CSE 1.2 Å, The high-resolution X-ray crystal structure of the complex formed between subtilisin…
3UNX 1.26 Å, Bond length analysis of asp, glu and his residues in subtilisin Carlsberg at 1.26A…
6DWQ 1.27 Å, Subtilisin serine protease modified with the protease inhibitor…
1YU6 1.55 Å, Crystal Structure of the Subtilisin Carlsberg:OMTKY3 Complex
2SEC 1.8 Å, Structural comparison of two serine proteinase-protein inhibitor complexes.…
1SCN 1.9 Å, Inactivation of subtilisin carlsberg by N-(tert-butoxycarbonyl-alanyl-prolyl-phenylalanyl…
1AVT 2.0 Å, Subtilisin carlsberg D-para-chlorophenyl-1-acetamido boronic acid inhibitor complex
1SCA 2.0 Å, Enzyme crystal structure in a neat organic solvent
1SEL 2.0 Å, Crystal structure of selenosubtilisin at 2.0-Å resolution
1VSB 2.1 Å, Subtilisin carlsberg L-para-chlorophenyl-1-acetamido boronic acid inhibitor complex
1BE6 2.15 Å, Trans-cinnamoyl-subtilisin in anhydrous acetonitrile

Browse structure collections

About this viewer

MolViewer shows 1BFK directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.