4I4I: 6-phosphofructokinase

Crystal Structure of Bacillus stearothermophilus Phosphofructokinase mutant T156A bound to PEP. Determined by X-ray diffraction at 2.49 Å resolution. Released 31 Jul 2013.

Method: X-ray diffraction
Resolution: 2.49 Å
Organism: Geobacillus stearothermophilus
Chains: 4
Atoms: 9,741
Mol. weight: 137.22 kDa
Ligands: PEP
Released: 31 Jul 2013

Explore 4I4I in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4I4I contains 64 α-helices and 52 β-strands across 4 chains. 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: 15 helices, 13 β-strands

Element	Residues	Length	Sheet
β-strand	3-9	7	1
α-helix	16-29	14
β-strand	33-37	5	1
α-helix	40-45	6
β-strand	49-51	3	1
α-helix	74-77	4
α-helix	79-92	14
β-strand	96-101	6	1
α-helix	103-114	12
β-strand	119-123	5	1
β-strand	124-125	2	2
β-strand	137-138	2	2
α-helix	139-156	18
β-strand	163-168	6	3
α-helix	175-184	10
β-strand	188-190	3	3
α-helix	198-210	13
β-strand	216-221	6	3
α-helix	227-238	12
β-strand	242-246	5	3
α-helix	248-252	5
α-helix	255-257	3
α-helix	258-276	19
β-strand	282-287	6	1
β-strand	290-295	6	1
α-helix	296-299	4
α-helix	303-304	2
α-helix	308-317	10

Chain B: 17 helices, 13 β-strands

Element	Residues	Length	Sheet
β-strand	3-9	7	4
α-helix	16-29	14
β-strand	33-37	5	4
α-helix	40-45	6
β-strand	49-52	4	4
α-helix	53	1
α-helix	54-57	4
α-helix	74-77	4
α-helix	79-91	13
β-strand	96-101	6	4
α-helix	105-114	10
β-strand	119-123	5	4
β-strand	124-125	2	5
β-strand	137-138	2	5
α-helix	139-156	18
β-strand	163-168	6	6
α-helix	175-184	10
β-strand	188-190	3	6
α-helix	198-210	13
β-strand	216-221	6	6
α-helix	227-238	12
β-strand	242-246	5	6
α-helix	248-252	5
α-helix	255-257	3
α-helix	258-276	19
β-strand	282-287	6	4
β-strand	290-295	6	4
α-helix	296-300	5
α-helix	303-304	2
α-helix	308-317	10

Chain C: 16 helices, 13 β-strands

Element	Residues	Length	Sheet
β-strand	3-9	7	7
α-helix	16-29	14
β-strand	33-37	5	7
α-helix	40-46	7
β-strand	49-51	3	7
α-helix	54-57	4
α-helix	75-77	3
α-helix	79-92	14
β-strand	96-101	6	7
α-helix	103-114	12
β-strand	119-123	5	7
β-strand	124	1	8
β-strand	137	1	8
α-helix	139-156	18
β-strand	163-168	6	6
α-helix	175-184	10
β-strand	188-190	3	6
α-helix	198-210	13
β-strand	216-221	6	6
α-helix	227-238	12
β-strand	242-246	5	6
α-helix	248-252	5
α-helix	255-257	3
α-helix	258-277	20
β-strand	282-287	6	7
β-strand	290-295	6	7
α-helix	296-301	6
α-helix	303-304	2
α-helix	308-317	10

Chain D: 16 helices, 13 β-strands

Element	Residues	Length	Sheet
β-strand	3-9	7	9
α-helix	16-29	14
β-strand	33-37	5	9
α-helix	40-45	6
β-strand	49-51	3	9
α-helix	54-57	4
α-helix	75-77	3
α-helix	79-91	13
β-strand	96-101	6	9
α-helix	103-114	12
β-strand	119-123	5	9
β-strand	124-125	2	10
β-strand	137-138	2	10
α-helix	139-156	18
β-strand	163-168	6	3
α-helix	175-184	10
β-strand	188-190	3	3
α-helix	198-210	13
β-strand	216-221	6	3
α-helix	227-238	12
β-strand	242-246	5	3
α-helix	248-252	5
α-helix	255-257	3
α-helix	258-276	19
β-strand	282-287	6	9
β-strand	290-295	6	9
α-helix	296-300	5
α-helix	303-304	2
α-helix	308-317	10

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
6-phosphofructokinase	A, B, C, D	protein	319	Geobacillus stearothermophilus	P00512 (AlphaFold model)

Sequence of entity 1 (A, B, C, D), FASTA

>4I4I_1 6-phosphofructokinase (chains A, B, C, D)
MKRIGVLTSGGDSPGMNAAIRSVVRKAIYHGVEVYGVYHGYAGLIAGNIKKLEVGDVGDI
IHRGGTILYTARCPEFKTEEGQKKGIEQLKKHGIEGLVVIGGDGSYQGAKKLTEHGFPCV
GVPGTIDNDIPGTDFTIGFDTALNTVIDAIDKIRDAATSHERTYVIEVMGRHAGDIALWS
GLAGGAETILIPEADYDMNDVIARLKRGHERGKKHSIIIVAEGVGSGVDFGRQIQEATGF
ETRVTVLGHVQRGGSPTAFDRVLASRLGARAVELLLEGKGGRCVGIQNNQLVDHDIAEAL
ANKHTIDQRMYALSKELSI

Ligands and cofactors

ID	Name	Formula	Copies
PEP	Phosphoenolpyruvate	C3 H5 O6 P	4

Primary citation

Redefining the Role of the Quaternary Shift in Bacillus stearothermophilus Phosphofructokinase. Mosser, R., Reddy, M.C., Bruning, J.B. et al. Biochemistry (2013) 52:5421-5429. DOI 10.1021/bi4002503 · PubMed

Other PDB entries of the same protein (UniProt P00512 (AlphaFold model), which also has an AlphaFold model), best resolution first:

4I7E 2.0 Å, Crystal Structure of the Bacillus stearothermophilus Phosphofructokinase Mutant D12A in…
4I36 2.3 Å, Crystal Structure of the Bacillus stearothermophilus Phosphofructokinase Mutant D12A
3PFK 2.4 Å, Phosphofructokinase. Structure and control
4PFK 2.4 Å, Phosphofructokinase. Structure and control
6PFK 2.6 Å, Phosphofructokinase, inhibited T-state
3U39 2.79 Å, Crystal Structure of the apo Bacillus Stearothermophilus phosphofructokinase
1MTO 3.2 Å, Crystal structure of a Phosphofructokinase mutant from Bacillus stearothermophilus bound…

Browse structure collections

About this viewer

MolViewer shows 4I4I 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.