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Cadmium(II) form of full-length metallothionein from Pseudomonas fluorescens Q2-87 (PflQ2 MT)
Authors
Habjanic, J., Zerbe, O., Freisinger, E.
Assembly
Metallothionein
Entity
1. Metallothionein, entity 1 (polymer), 81 monomers, 8812.508 Da Detail

NELRCGCPDC HCKVDPERVF NHDGEAYCSQ ACAEQHPNGE PCPAPDCHCE RSGKVGGRDI TNNQLDEALE ETFPASDPIS P


2. Metallothionein, entity CD (non-polymer), 112.411 × 4 Da
Total weight
9262.151 Da
Max. entity weight
8812.508 Da
Entity Connection
metal coordination 16 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1metal coordinationsing1:CYS7:SG2:CD1:CD
2metal coordinationsing1:CYS32:SG2:CD1:CD
3metal coordinationsing1:HIS36:NE22:CD1:CD
4metal coordinationsing1:CYS49:SG2:CD1:CD
5metal coordinationsing1:CYS10:SG2:CD1:CD
6metal coordinationsing1:CYS42:SG2:CD1:CD
7metal coordinationsing1:CYS47:SG2:CD1:CD
8metal coordinationsing1:CYS49:SG2:CD1:CD
9metal coordinationsing1:CYS10:SG2:CD1:CD
10metal coordinationsing1:CYS12:SG2:CD1:CD
11metal coordinationsing1:CYS28:SG2:CD1:CD
12metal coordinationsing1:CYS42:SG2:CD1:CD
13metal coordinationsing1:CYS5:SG2:CD1:CD
14metal coordinationsing1:CYS10:SG2:CD1:CD
15metal coordinationsing1:CYS28:SG2:CD1:CD
16metal coordinationsing1:CYS32:SG2:CD1:CD

Source organism
Pseudomonas fluorescens Q2-87
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 96.7 %, Completeness (bb): 96.4 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All96.7 % (829 of 857)98.0 % (442 of 451)95.1 % (310 of 326)96.2 % (77 of 80)
Backbone96.4 % (451 of 468)98.7 % (157 of 159)94.9 % (225 of 237)95.8 % (69 of 72)
Sidechain97.6 % (453 of 464)97.6 % (285 of 292)97.6 % (160 of 164)100.0 % (8 of 8)
Aromatic81.8 % (36 of 44)81.8 % (18 of 22)81.8 % (18 of 22)
Methyl100.0 % (48 of 48)100.0 % (24 of 24)100.0 % (24 of 24)

1. entity 1

NELRCGCPDC HCKVDPERVF NHDGEAYCSQ ACAEQHPNGE PCPAPDCHCE RSGKVGGRDI TNNQLDEALE ETFPASDPIS P

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 7.4 (±0.2), Details 0.5 mM [U-13C; U-15N] metallothionein, 2 mM cadmium ion, 50 mM [U-2H] TRIS, 50 mM sodium chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1metallothionein[U-13C; U-15N]0.5 (±0.1) mM
2cadmium ionnatural abundance2 (±0.1) mM
3TRIS[U-2H]50 (±1.0) mM
4sodium chloridenatural abundance50 (±1.0) mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 7.4 (±0.2), Details 1.5 mM metallothionein, 6 mM U-113CD cadmium ion, 50 mM [U-2H] TRIS, 50 mM sodium chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
5metallothioneinnatural abundance1.5 (±0.1) mM
6cadmium ionU-113CD6 (±0.1) mM
7TRIS[U-2H]50 (±1.0) mM
8sodium chloridenatural abundance50 (±1.0) mM

LACS Plot; CA
Referencing offset: -0.01 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.01 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.08 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: 0.28 ppm, Outliers: 3 Detail
Release date
2018-07-01
Citation
A histidine-rich Pseudomonas metallothionein with a disordered tail displays higher binding capacity for cadmium than zinc
Habjanic, J., Zerbe, O., Freisinger, E.
Metallomics. (2018), 10, 1415-1429, PubMed 30191219 , DOI 10.1039/c8mt00193f ,
Entries sharing articles BMRB: 3 entries Detail
  BMRB: 34288 released on 2018-09-09
    Title Cadmium(II) form of shortened metallothionein from Pseudomonas fluorescens Q2-87 (residues: 1-52)
  BMRB: 34293 released on 2018-09-09
    Title Zn(II) form of shortened metallothionein from Pseudomonas fluorescens Q2-87 (residues 1-52)
  BMRB: 34289 released on 2018-07-02
    Title Cadmium(II) form of A44H mutant of shortened metallothionein from Pseudomonas fluorescens Q2-87 (residues 1-52)
Related entities 1. Metallothionein, entity 1, : 1 : 1 entities Detail
Experiments performed 17 experiments Detail
NMR combined restraints 4 contents Detail
Keywords METAL BINDING PROTEIN, cadmium ion, metallothionein