1nmg

Solution NMR

MAJOR COLD-SHOCK PROTEIN, NMR, MINIMIZED AVERAGE STRUCTURE

Released:

Function and Biology Details

Reactions catalysed:
3 ATP = pppA2'p5'A2'p5'A + 2 diphosphate
(3R)-3-hydroxyacyl-[acyl-carrier-protein] + NADP(+) = 3-oxoacyl-[acyl-carrier-protein] + NADPH
Autocatalytic release of the core protein from the N-terminus of the togavirus structural polyprotein by hydrolysis of a -Trp-|-Ser- bond.
Acyl-[acyl-carrier-protein] + malonyl-[acyl-carrier-protein] = 3-oxoacyl-[acyl-carrier-protein] + CO(2) + [acyl-carrier-protein]
ATP + nucleoside diphosphate = ADP + nucleoside triphosphate
Hydrolysis of terminal non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides
ATP + AMP = 2 ADP
Hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)- glycosidic linkages of terminal sialic acid residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.
L-fuculose 1-phosphate = glycerone phosphate + (S)-lactaldehyde
Hydrolysis of proteins to small peptides in the presence of ATP and magnesium. Alpha-Casein is the usual test substrate. In the absence of ATP, only oligopeptides shorter than five residues are hydrolyzed (such as succinyl-Leu-Tyr-|-NHMec; and Leu-Tyr-Leu-|-Tyr-Trp, in which cleavage of the -Tyr-|-Leu- and -Tyr-|-Trp bonds also occurs).
ATP + protein L-histidine = ADP + protein N-phospho-L-histidine
(1a) S-adenosyl-L-methionine + a [histone H3]-L-lysine(27) = S-adenosyl-L-homocysteine + a [histone H3]-N(6)-methyl-L-lysine(27)
NAD(P)H + a quinone = NAD(P)(+) + a hydroquinone
Hydrolysis of four peptide bonds in the viral precursor polyprotein, commonly with Asp or Glu in the P6 position, Cys or Thr in P1 and Ser or Ala in P1'.
2 glutathione + ROOH = glutathione disulfide + H(2)O + ROH
Nitric oxide + H(2)O + ferricytochrome c = nitrite + ferrocytochrome c + 2 H(+)
TSAVLQ-|-SGFRK-NH(2) and SGVTFQ-|-GKFKK the two peptides corresponding to the two self-cleavage sites of the SARS 3C-like proteinase are the two most reactive peptide substrates. The enzyme exhibits a strong preference for substrates containing Gln at P1 position and Leu at P2 position.
Endopeptidase with a preference for cleavage when the P1 position is occupied by Glu-|- and the P1' position is occupied by Gly-|-
ATP + pyridoxal = ADP + pyridoxal 5'-phosphate
Selective hydrolysis of -Xaa-Xaa-|-Yaa- bonds in which each of the Xaa can be either Arg or Lys and Yaa can be either Ser or Ala.
Succinate + a quinone = fumarate + a quinol
Hydrolysis of --Pro-|- and to a lesser extent --Ala-|- in oligopeptides.
N-acetyl-O-acetylneuraminate + H(2)O = N-acetylneuraminate + acetate
Selective cleavage of Gln-|-Gly bond in the poliovirus polyprotein. In other picornavirus reactions Glu may be substituted for Gln, and Ser or Thr for Gly.
Selective cleavage of Tyr-|-Gly bond in picornavirus polyprotein.
(S)-2-hydroxy acid + O(2) = 2-oxo acid + H(2)O(2)
2 bilirubin + O(2) = 2 biliverdin + 2 H(2)O
D-glyceraldehyde 3-phosphate = glycerone phosphate
NTP + H(2)O = NDP + phosphate
ATP + H(2)O + 4 H(+)(Side 1) = ADP + phosphate + 4 H(+)(Side 2)
Hydrolysis of terminal (1->4)-linked alpha-D-glucose residues successively from non-reducing ends of the chains with release of beta-D-glucose
2 superoxide + 2 H(+) = O(2) + H(2)O(2)
ATP + H(2)O + a folded polypeptide = ADP + phosphate + an unfolded polypeptide
5,10-methylenetetrahydrofolate + glycine + H(2)O = tetrahydrofolate + L-serine
ATP + H(2)O = ADP + phosphate
ATP + thymidine = ADP + thymidine 5'-phosphate
5,6,7,8-tetrahydrofolate + NADP(+) = 7,8-dihydrofolate + NADPH
Thiol-dependent hydrolysis of ester, thioester, amide, peptide and isopeptide bonds formed by the C-terminal Gly of ubiquitin (a 76-residue protein attached to proteins as an intracellular targeting signal).
N-carbamoylputrescine + H(2)O = putrescine + CO(2) + NH(3)
The C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
2 3-phospho-D-glycerate + 2 H(+) = D-ribulose 1,5-bisphosphate + CO(2) + H(2)O
(1a) L-cysteine + [enzyme]-cysteine = L-alanine + [enzyme]-S-sulfanylcysteine
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cold shock protein CspB Chain: A
Molecule details ›
Chain: A
Length: 67 amino acids
Theoretical weight: 7.37 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P32081 (Residues: 1-67; Coverage: 100%)
Gene names: BSU09100, cspA, cspB
Sequence domains: 'Cold-shock' DNA-binding domain
Structure domains: Nucleic acid-binding proteins

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Expression system: Escherichia coli