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Literature summary for 5.4.3.6 extracted from

  • Krug, D.; Mueller, R.
    Discovery of additional members of the tyrosine aminomutase enzyme family and the mutational analysis of CmdF (2009), ChemBioChem, 10, 741-750.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
into a pGEX-derived plasmid for expression in Escherichia coli BL21DE3 cells Chondromyces crocatus
into the pCR2.1Topo and pJET1/blunt vector and subsequently into pGEX-6P-1 for expression in Escherichia coli BL21DE3 cells Myxococcus fulvus Mx f65
into the pJET1/blunt vector and subsequently into pGEX-6P-1 for expression in Escherichia coli BL21DE3 cells Myxococcus sp. Mx-B0

Protein Variants

Protein Variants Comment Organism
C396S single amino acid alteration Chondromyces crocatus
CmdF_DEL position 275-288 deleted Chondromyces crocatus
CmdF_MIAQVTSA position 399-406: EGGQYLAT substituted Chondromyces crocatus
CmdF_MIYMLV position 62-67: LVPVMI substituted Chondromyces crocatus
CmdF_SAGREDH position 427-433: NGSNQDV, substituted Chondromyces crocatus
CmdF_SANQEDH position 427-433: NGSNQDV, substituted Chondromyces crocatus
CmdF_TFLSA position 81-85: RSHAA, substituted Chondromyces crocatus
CmdF_YHLAT position 81-85: RSHAA, substituted Chondromyces crocatus
F59Y single amino acid alteration Chondromyces crocatus
G184R single amino acid alteration Chondromyces crocatus
K242R single amino acid alteration Chondromyces crocatus
P377R single amino acid alteration Chondromyces crocatus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.178
-
L-tyrosine mutant CmdF_MIYMLV Chondromyces crocatus
0.377
-
L-tyrosine wild-type enzme Chondromyces crocatus

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-tyrosine Chondromyces crocatus
-
(R)-beta-tyrosine
-
?
L-tyrosine Myxococcus fulvus Mx f65
-
(R)-beta-tyrosine
-
?
L-tyrosine Myxococcus sp. Mx-B0
-
(R)-beta-tyrosine
-
?

Organism

Organism UniProt Comment Textmining
Chondromyces crocatus Q0VZ68
-
-
Myxococcus fulvus Mx f65 B8ZV93
-
-
Myxococcus sp. Mx-B0 B8ZV94
-
-

Purification (Commentary)

Purification (Comment) Organism
purification is carried out by affinity chromatography with GST-Sepharose, the GST-tag is cleaved by using the PreScission protease Chondromyces crocatus
purification is carried out by affinity chromatography with GST-Sepharose, the GST-tag is cleaved by using the PreScission protease Myxococcus fulvus Mx f65
purification is carried out by affinity chromatography with GST-Sepharose, the GST-tag is cleaved by using the PreScission protease Myxococcus sp. Mx-B0

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-tyrosine
-
Chondromyces crocatus (R)-beta-tyrosine
-
?
L-tyrosine
-
Myxococcus fulvus Mx f65 (R)-beta-tyrosine
-
?
L-tyrosine
-
Myxococcus sp. Mx-B0 (R)-beta-tyrosine
-
?
L-tyrosine
-
Chondromyces crocatus 4-hydroxycinnamic acid + NH3
-
?

Synonyms

Synonyms Comment Organism
CmdF
-
Chondromyces crocatus
MfTAM
-
Myxococcus fulvus Mx f65
MxTAM
-
Myxococcus sp. Mx-B0
TAM
-
Chondromyces crocatus
tyrosine aminomutase
-
Chondromyces crocatus
tyrosine aminomutase
-
Myxococcus fulvus Mx f65
tyrosine aminomutase
-
Myxococcus sp. Mx-B0

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
activity assay Chondromyces crocatus
30
-
activity assay Myxococcus fulvus Mx f65
30
-
activity assay Myxococcus sp. Mx-B0

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.0004
-
L-tyrosine mutant CmdF_MIYMLV, product (R)-beta-tyrosine Chondromyces crocatus
0.0005
-
L-tyrosine wild-type enzme, product para-hydroxycinnamic acid Chondromyces crocatus
0.0013
-
L-tyrosine mutant CmdF_MIYMLV, product para-hydroxycinnamic acid Chondromyces crocatus
0.0072
-
L-tyrosine wild-type enzme, product (R)-beta-tyrosine Chondromyces crocatus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.8
-
activity assay Chondromyces crocatus
8.8
-
activity assay Myxococcus fulvus Mx f65
8.8
-
activity assay Myxococcus sp. Mx-B0

General Information

General Information Comment Organism
metabolism (R)-beta-tyrosine is incorporated into the chondramides produced by Chondromyces crocatus Chondromyces crocatus