Berkeley Structural Genomics Center

Target info for 1029B

This target is gi number 1787757 from Escherichia coli K12.

This gene has the annotation "osmotically inducible protein".

The target was selected as part of Igor's sets.

Available sections:


Experimental status of 1029B

Note: Dates prior to 10/24/01 may be inaccurate, due to conversion from a record-keeping system which tracked only the last experimental date, to a new system which keeps track of all dates. The user is the person who entered the data, not the person who did the experiment. This will also change in the future.

ExperimentResultUserExperiment Date
SelectedDonejmc2001-08-24
ClonedDoneabwaight2001-08-24
Expression testedDoneabwaight2001-08-24
Solubility testedSabwaight2001-08-24
PurifiedDoner_kim2001-11-29
CrystallizedDoneweiru2002-05-08
Diffraction quality crystalsDoneweiru2002-05-08
Native diffraction dataDonedhshin2003-01-15
Phasing diffraction dataDonedhshin2003-01-15
Traceable mapDonedhshin2003-01-15
Crystal structureDonedhshin2003-01-15
In PDB1NYEdhshin2003-02-12
Suggested work stop13805 13805 13805 15565 15565 15794jmc2002-10-07

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Potential MP Homologues of 1029B

MP genelog10(PSIBLAST E)% identical% coverage (of MP gene)
MP174 / MPN668-22.4027.4699.30
MP217 / MPN625-19.5217.6199.30

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1029B DNA sequence

ATGACAATCCATAAGAAAGGTCAGGCACACTGGGAAGGCGATATCAAACGCGGGAAGGGAACAGTATCCACCGAGAGTGG
CGTGCTGAACCAACAGCCGTATGGATTTAACACGCGTTTTGAAGGCGAAAAAGGAACCAACCCTGAAGAACTGATTGGCG
CAGCGCATGCCGCATGTTTCTCAATGGCGCTTTCATTAATGCTGGGGGAAGCGGGATTCACGCCAACATCGATTGATACC
ACCGCCGATGTGTCGCTGGATAAAGTGGATGCCGGTTTTGCGATTACGAAAATCGCACTGAAGAGTGAAGTTGCGGTGCC
GGGTATTGATGCCTCTACCTTTGACGGCATAATCCAGAAAGCAAAAGCAGGATGCCCGGTCTCTCAGGTACTGAAAGCGG
AAATTACGCTGGATTACCAGTTGAAATCGTAA

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1029B Codon Usage

(144 codons)
fields: [triplet] [frequency: per thousand] ([number])

UUU27.8(   4)  UCU13.9(   2)  UAU6.9(   1)  UGU6.9(   1)  
UUC13.9(   2)  UCC6.9(   1)  UAC6.9(   1)  UGC6.9(   1)  
UUA6.9(   1)  UCA13.9(   2)  UAA6.9(   1)  UGA0.0(   0)  
UUG6.9(   1)  UCG20.8(   3)  UAG0.0(   0)  UGG6.9(   1)  

CUU6.9(   1)  CCU6.9(   1)  CAU13.9(   2)  CGU6.9(   1)  
CUC0.0(   0)  CCC0.0(   0)  CAC6.9(   1)  CGC6.9(   1)  
CUA0.0(   0)  CCA6.9(   1)  CAA6.9(   1)  CGA0.0(   0)  
CUG48.6(   7)  CCG20.8(   3)  CAG34.7(   5)  CGG0.0(   0)  

AUU34.7(   5)  ACU0.0(   0)  AAU0.0(   0)  AGU13.9(   2)  
AUC27.8(   4)  ACC34.7(   5)  AAC20.8(   3)  AGC0.0(   0)  
AUA6.9(   1)  ACA20.8(   3)  AAA62.5(   9)  AGA0.0(   0)  
AUG20.8(   3)  ACG27.8(   4)  AAG20.8(   3)  AGG0.0(   0)  

GUU6.9(   1)  GCU0.0(   0)  GAU48.6(   7)  GGU20.8(   3)  
GUC6.9(   1)  GCC27.8(   4)  GAC6.9(   1)  GGC34.7(   5)  
GUA13.9(   2)  GCA41.7(   6)  GAA55.6(   8)  GGA34.7(   5)  
GUG27.8(   4)  GCG41.7(   6)  GAG6.9(   1)  GGG13.9(   2)  

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1029B Potential Cloning Problems

No UGA codons or (bad) restriction sites!

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1029B Automatically Selected Primers

Note: These were generated using Hisao's algorithm, and do not take into account possible mispriming, self-complementarity, or requirements for mutations anywhere in the sequences. The -R1 primers are for the N-terminal end, and begin with an NdeI restriction site (CATATG). The -R2 primers are for the C-terminal end, and begin with a BamHI site (GGATCC) if the target has no other BamHI sites. If the target does have a BamHI site, the -R2 primer wil begin with a BglII site (AGATCT), unless the target has no BglII sites. If the target has both sites, the design program gives up and doesn't prepend a restriction site to the -R2 primer!

Predicted Tm was obtained using the Tm determination tool at the Virtual Genome Center.

Primer IDPredicted Tmsequence
1029B-R161.60CATATGACAATCCATAAGAAAGGTCAGG
1029B-R262.50GGATCCTTACGATTTCAACTGGTAATCCAGC
1029B-R1064.60GGCGGTGGTGGCGGCATGACAATCCATAAGAAAGGTCAGGC
1029B-R1165.30GTTCTTCTCCTTTGCGCCCCTACGATTTCAACTGGTAATCCAGCG

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1029B Translation

Note: This was generated using the standard codon usage table; UGA codons in MP/MP genes will show up as terminators ("*")

atgacaatccataagaaaggtcaggcacactgggaaggcgatatcaaacgcgggaaggga
 M  T  I  H  K  K  G  Q  A  H  W  E  G  D  I  K  R  G  K  G 
acagtatccaccgagagtggcgtgctgaaccaacagccgtatggatttaacacgcgtttt
 T  V  S  T  E  S  G  V  L  N  Q  Q  P  Y  G  F  N  T  R  F 
gaaggcgaaaaaggaaccaaccctgaagaactgattggcgcagcgcatgccgcatgtttc
 E  G  E  K  G  T  N  P  E  E  L  I  G  A  A  H  A  A  C  F 
tcaatggcgctttcattaatgctgggggaagcgggattcacgccaacatcgattgatacc
 S  M  A  L  S  L  M  L  G  E  A  G  F  T  P  T  S  I  D  T 
accgccgatgtgtcgctggataaagtggatgccggttttgcgattacgaaaatcgcactg
 T  A  D  V  S  L  D  K  V  D  A  G  F  A  I  T  K  I  A  L 
aagagtgaagttgcggtgccgggtattgatgcctctacctttgacggcataatccagaaa
 K  S  E  V  A  V  P  G  I  D  A  S  T  F  D  G  I  I  Q  K 
gcaaaagcaggatgcccggtctctcaggtactgaaagcggaaattacgctggattaccag
 A  K  A  G  C  P  V  S  Q  V  L  K  A  E  I  T  L  D  Y  Q 
ttgaaatcgtaa
 L  K  S  * 

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1029B AA Sequence

MTIHKKGQAHWEGDIKRGKGTVSTESGVLNQQPYGFNTRFEGEKGTNPEELIGAAHAACFSMALSLMLGEAGFTPTSIDT
TADVSLDKVDAGFAITKIALKSEVAVPGIDASTFDGIIQKAKAGCPVSQVLKAEITLDYQLKS

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1029B Protein Parameters

This information was obtained using the Protein Parameters tool on the ExPASy Molecular Biology Server.

Number of amino acids: 143

Molecular weight: 15088.1

Theoretical pI: 5.57

Amino acid composition:

Ala (A)  16	 11.2%
Arg (R)   2	  1.4%
Asn (N)   3	  2.1%
Asp (D)   8	  5.6%
Cys (C)   2	  1.4%
Gln (Q)   6	  4.2%
Glu (E)   9	  6.3%
Gly (G)  15	 10.5%
His (H)   3	  2.1%
Ile (I)  10	  7.0%
Leu (L)  10	  7.0%
Lys (K)  12	  8.4%
Met (M)   3	  2.1%
Phe (F)   6	  4.2%
Pro (P)   5	  3.5%
Ser (S)  10	  7.0%
Thr (T)  12	  8.4%
Trp (W)   1	  0.7%
Tyr (Y)   2	  1.4%
Val (V)   8	  5.6%

Asx (B)   0	  0.0%
Glx (Z)   0	  0.0%
Xaa (X)   0	  0.0%

Total number of negatively charged residues (Asp + Glu): 17
Total number of positively charged residues (Arg + Lys): 14

Atomic composition:

Carbon      C	       666
Hydrogen    H	      1065
Nitrogen    N	       177
Oxygen      O	       211
Sulfur      S	         5

Formula: C666H1065N177O211S5
Total number of atoms: 2124

Extinction coefficients:

Conditions: 6.0 M guanidium hydrochloride
            0.02 M phosphate buffer
            pH 6.5

Extinction coefficients are in units of  M-1 cm-1 .

The first table lists values computed assuming ALL Cys 
residues appear as half cystines, whereas the second table 
assumes that NONE do. 

                      276     278     279     280     282
                       nm      nm      nm      nm      nm
Ext. coefficient     8445    8527    8470    8370    8120
Abs 0.1% (=1 g/l)   0.560   0.565   0.561   0.555   0.538



                      276     278     279     280     282
                       nm      nm      nm      nm      nm
Ext. coefficient     8300    8400    8350    8250    8000
Abs 0.1% (=1 g/l)   0.550   0.557   0.553   0.547   0.530


Estimated half-life:

The N-terminal of the sequence considered is M (Met).

The estimated half-life is: 30 hours (mammalian reticulocytes, in vitro).
                            >20 hours (yeast, in vivo).
                            >10 hours (Escherichia coli, in vivo).


Instability index:

The instability index (II) is computed to be 18.43
This classifies the protein as stable.



Aliphatic index: 81.96

Grand average of hydropathicity (GRAVY): -0.122

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