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1fz5

METHANE MONOOXYGENASE HYDROXYLASE, FORM II CRYSTALLIZED ANAEROBICALLY FROM REDUCED ENZYME

Method: X-RAY DIFFRACTION Dmax: 128.0 Å Quality: GOOD
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1. Protein Identity and Related Structures Protein Identity & Related Structures

METHANE MONOOXYGENASE COMPONENT A, ALPHA CHAIN

OrganismNot specified

UniProt P22869

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric（6） Consistent with protein copy count Chain A； UniProt 1–527 Chain B； UniProt 1–527 Not recorded METHANE MONOOXYGENASE COMPONENT A, BETA CHAIN × 2 （P18798） METHANE MONOOXYGENASE COMPONENT A, GAMMA CHAIN × 2 （P11987） FE2 FE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K Resolution 2.40 Å R-free 0.253

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 1FZ5 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1FYZ METHANE MONOOXYGENASE HYDROXYLASE, FORM II REDUCED BY SOAKING Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.15 Å R-free 0.230
1FZ0 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GROWN ANAEROBICALLY Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.07 Å R-free 0.230
1FZ1 METHANE MONOOXYGENASE HYDROXYLASE, FORM III OXIDIZED Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.96 Å R-free 0.234
1FZ2 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GENERATED BY CRYSTAL SOAKING Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.15 Å R-free 0.229
1FZ3 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAK AT PH 6.2 (0.1 M PIPES) Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.03 Å R-free 0.228
1FZ4 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED AT PH 8.5 (0.1 M TRIS) Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.38 Å R-free 0.256
1FZ6 METHANE MONOOXYGENASE HYDROXYLASE, FORM II SOAKED IN 1 M METHANOL Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 MOH METHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K, VAPOR DIFFUSION, HANGING DROP
Resolution 2.05 Å R-free 0.244
1FZ7 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED IN 0.9 M ETHANOL Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 EOH ETHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 1.96 Å R-free 0.255
1FZ8 METHANE MONOOXYGENASE HYDROXYLASE, FORM II COCRYSTALLIZED WITH DIBROMOMETHANE Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 2BM DIBROMOMETHANE × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, dibromomethane, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.10 Å R-free 0.250
1FZ9 Methane monooxygenase hydroxylase, form II cocrystallized with iodoethane Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 ETI IODOETHANE × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, iodoethane. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.30 Å R-free 0.260
1FZH METHANE MONOOXYGENASE HYDROXYLASE, FORM II PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 XE XENON × 11 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 8000, CaCl2, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 2.60 Å R-free 0.260
1FZI METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 XE XENON × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 4000, ammonium acetate, Li2SO4, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 3.30 Å R-free 0.253
1MMO CRYSTAL STRUCTURE OF A BACTERIAL NON-HAEM IRON HYDROXYLASE THAT CATALYSES THE BIOLOGICAL OXIDATION OF METHANE Deposited 1994-02-22 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain D 15–526（512 aa）
Chain E 15–526（512 aa）
Not recorded FE FE (III) ION × 4 ACY ACETIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 Å
1MTY METHANE MONOOXYGENASE HYDROXYLASE FROM METHYLOCOCCUS CAPSULATUS (BATH) Deposited 1996-07-10 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain D 15–526（512 aa）
Chain E 15–526（512 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；25 MM LI2SO4, 50 MM NH4OAC, 5% PEG 4000, IN 25 MM MOPS PH 7.0 WITH A RESERVOIR OF 20% PEG 4000
Resolution 1.70 Å
1XMF Structure of Mn(II)-Soaked Apo Methane Monooxygenase Hydroxylase Crystals from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded MN MANGANESE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, CaCl2, PEG8000, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.32 Å R-free 0.263
1XMG Crystal structure of apo methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.10 Å R-free 0.261
1XMH Structure of Co(II) reconstituted methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded CO COBALT (II) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, sodium azide, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.32 Å R-free 0.225
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain A 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain B 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 BCM BICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain C 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 BCM BICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain D 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 BCM BICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 5 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain E 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 BCM BICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPO Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic bicyclomycin Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 6 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain F 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 BCM BICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；291 K；PEG 8000, Na Cacodylate, NaCl, glycerol, FOS-choline-12, pH 6.5, VAPOR DIFFUSION, temperature 18K
Resolution 3.15 Å R-free 0.306
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain A 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain B 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FB 5A-FORMYLBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain C 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FB 5A-FORMYLBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain D 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FB 5A-FORMYLBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 5 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain E 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FB 5A-FORMYLBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPR Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-formylbicyclomycin (FB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 6 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain F 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FB 5A-FORMYLBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 3350, Na Cacodylate, NaCl, glycerol, Na DihydrogenPhosphate, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.15 Å R-free 0.296
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain A 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain B 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FPD 5A-(3-FORMYLPHENYLSULFANYL)-DIHYDROBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 3 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain C 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FPD 5A-(3-FORMYLPHENYLSULFANYL)-DIHYDROBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 4 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain D 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 FPD 5A-(3-FORMYLPHENYLSULFANYL)-DIHYDROBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 5 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain E 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 FPD 5A-(3-FORMYLPHENYLSULFANYL)-DIHYDROBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XPU Structural mechanism of inhibition of the Rho transcription termination factor by the antibiotic 5a-(3-formylphenylsulfanyl)-dihydrobicyclomycin (FPDB) Deposited 2004-10-09 Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 6 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric
Chain F 1–419（419 aa）
Not recorded MG MAGNESIUM ION × 1 FPD 5A-(3-FORMYLPHENYLSULFANYL)-DIHYDROBICYCLOMYCIN × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；PEG 8000, Na Cacodylate, NaCl, Glycerol, FOS-Choline-12, pH 6.5, VAPOR DIFFUSION, temperature 293K
Resolution 3.05 Å R-free 0.295
1XU3 Soluble methane monooxygenase hydroxylase-soaked with bromophenol Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 BML 4-BROMOPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K, pH 7.00
Resolution 2.30 Å R-free 0.245
1XU5 Soluble methane monooxygenase hydroxylase-phenol soaked Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 OH HYDROXIDE ION × 2 IPH PHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 1.96 Å R-free 0.228
1XVB soluble methane monooxygenase hydroxylase: 6-bromohexanol soaked structure Deposited 2004-10-27 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa）
Chain B 1–527（527 aa）
Not recorded FE FE (III) ION × 4 BHL 6-BROMOHEXAN-1-OL × 10 BBU 1-BROMOBUTANE × 1 BBX 1-BROMOETHANE × 1 CA CALCIUM ION × 1 3BR 1-BROMOPROPANE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.80 Å R-free 0.251
1XVC soluble methane monooxygenase hydroxylase: 8-bromooctanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 BR BROMIDE ION × 2 5BR 1-BROMOPENTANE × 1 BMM BROMOMETHANE × 1 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.234
1XVD Soluble methane monooxygenase hydroxylase: 4-fluorophenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 FPN 4-FLUOROPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 2.30 Å R-free 0.229
1XVE soluble methane monooxygenase hydroxylase: 3-bromo-3-butenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 2 3BB 3-BROMOBUT-3-EN-1-OL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.260
1XVF soluble methane monooxygenase hydroxylase: chloropropanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 3CL 3-CHLOROPROPANOL × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.230
1XVG soluble methane monooxygenase hydroxylase: bromoethanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain A 1–527（527 aa） Fragment：alpha subunit
Chain B 1–527（527 aa） Fragment：alpha subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 BRJ 2-BROMOETHANOL × 12 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.96 Å R-free 0.230
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain A 1–527（527 aa）
Chain F 1–527（527 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain K 1–527（527 aa）
Chain P 1–527（527 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
7TC7 Cryo-EM structure of methane monooxygenase hydroxylase (by quantifoil) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain D 1–527（527 aa）
Chain E 1–527（527 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7TC8 Cryo-EM structure of methane monooxygenase hydroxylase (by graphene) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain D 1–527（527 aa）
Chain E 1–527（527 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å

31 other PDB entries and 47 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MEMA_METCA
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–527； UniProt 1–527 Author chain B； PDBConstruct 1–527； UniProt 1–527

METHANE MONOOXYGENASE COMPONENT A, BETA CHAIN

OrganismNot specified

UniProt P18798

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric（6） Consistent with protein copy count Chain C； UniProt 1–389 Chain D； UniProt 1–389 Not recorded METHANE MONOOXYGENASE COMPONENT A, ALPHA CHAIN × 2 （P22869） METHANE MONOOXYGENASE COMPONENT A, GAMMA CHAIN × 2 （P11987） FE2 FE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K Resolution 2.40 Å R-free 0.253

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 1FZ5 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1FYZ METHANE MONOOXYGENASE HYDROXYLASE, FORM II REDUCED BY SOAKING Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.15 Å R-free 0.230
1FZ0 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GROWN ANAEROBICALLY Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.07 Å R-free 0.230
1FZ1 METHANE MONOOXYGENASE HYDROXYLASE, FORM III OXIDIZED Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.96 Å R-free 0.234
1FZ2 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GENERATED BY CRYSTAL SOAKING Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.15 Å R-free 0.229
1FZ3 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAK AT PH 6.2 (0.1 M PIPES) Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.03 Å R-free 0.228
1FZ4 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED AT PH 8.5 (0.1 M TRIS) Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.38 Å R-free 0.256
1FZ6 METHANE MONOOXYGENASE HYDROXYLASE, FORM II SOAKED IN 1 M METHANOL Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 MOH METHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K, VAPOR DIFFUSION, HANGING DROP
Resolution 2.05 Å R-free 0.244
1FZ7 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED IN 0.9 M ETHANOL Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 EOH ETHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 1.96 Å R-free 0.255
1FZ8 METHANE MONOOXYGENASE HYDROXYLASE, FORM II COCRYSTALLIZED WITH DIBROMOMETHANE Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 2BM DIBROMOMETHANE × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, dibromomethane, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.10 Å R-free 0.250
1FZ9 Methane monooxygenase hydroxylase, form II cocrystallized with iodoethane Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 ETI IODOETHANE × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, iodoethane. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.30 Å R-free 0.260
1FZH METHANE MONOOXYGENASE HYDROXYLASE, FORM II PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 XE XENON × 11 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 8000, CaCl2, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 2.60 Å R-free 0.260
1FZI METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa）
Chain D 1–389（389 aa）
Not recorded FE FE (III) ION × 4 XE XENON × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 4000, ammonium acetate, Li2SO4, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 3.30 Å R-free 0.253
1MMO CRYSTAL STRUCTURE OF A BACTERIAL NON-HAEM IRON HYDROXYLASE THAT CATALYSES THE BIOLOGICAL OXIDATION OF METHANE Deposited 1994-02-22 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain B 6–389（384 aa）
Chain C 6–389（384 aa）
Not recorded FE FE (III) ION × 4 ACY ACETIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 Å
1MTY METHANE MONOOXYGENASE HYDROXYLASE FROM METHYLOCOCCUS CAPSULATUS (BATH) Deposited 1996-07-10 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain B 5–361（357 aa）
Chain C 5–361（357 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；25 MM LI2SO4, 50 MM NH4OAC, 5% PEG 4000, IN 25 MM MOPS PH 7.0 WITH A RESERVOIR OF 20% PEG 4000
Resolution 1.70 Å
1XMF Structure of Mn(II)-Soaked Apo Methane Monooxygenase Hydroxylase Crystals from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–388（388 aa） Fragment：beta subunit
Chain D 1–388（388 aa） Fragment：beta subunit
Not recorded MN MANGANESE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, CaCl2, PEG8000, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.32 Å R-free 0.263
1XMG Crystal structure of apo methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–388（388 aa） Fragment：beta subunit
Chain D 1–388（388 aa） Fragment：beta subunit
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.10 Å R-free 0.261
1XMH Structure of Co(II) reconstituted methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–388（388 aa） Fragment：beta subunit
Chain D 1–388（388 aa） Fragment：beta subunit
Not recorded CO COBALT (II) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, sodium azide, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.32 Å R-free 0.225
1XU3 Soluble methane monooxygenase hydroxylase-soaked with bromophenol Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 BML 4-BROMOPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K, pH 7.00
Resolution 2.30 Å R-free 0.245
1XU5 Soluble methane monooxygenase hydroxylase-phenol soaked Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 OH HYDROXIDE ION × 2 IPH PHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 1.96 Å R-free 0.228
1XVC soluble methane monooxygenase hydroxylase: 8-bromooctanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 BR BROMIDE ION × 2 5BR 1-BROMOPENTANE × 1 BMM BROMOMETHANE × 1 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.234
1XVD Soluble methane monooxygenase hydroxylase: 4-fluorophenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 FPN 4-FLUOROPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 2.30 Å R-free 0.229
1XVE soluble methane monooxygenase hydroxylase: 3-bromo-3-butenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 2 3BB 3-BROMOBUT-3-EN-1-OL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.260
1XVF soluble methane monooxygenase hydroxylase: chloropropanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 3CL 3-CHLOROPROPANOL × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.230
1XVG soluble methane monooxygenase hydroxylase: bromoethanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain C 1–389（389 aa） Fragment：beta subunit
Chain D 1–389（389 aa） Fragment：beta subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 BRJ 2-BROMOETHANOL × 12 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.96 Å R-free 0.230
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain B 1–389（389 aa）
Chain G 1–389（389 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain L 1–389（389 aa）
Chain Q 1–389（389 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
7TC7 Cryo-EM structure of methane monooxygenase hydroxylase (by quantifoil) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain B 1–389（389 aa）
Chain C 1–389（389 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7TC8 Cryo-EM structure of methane monooxygenase hydroxylase (by graphene) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain B 1–389（389 aa）
Chain C 1–389（389 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å

27 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MEMB_METCA
Isoform —
PDB entities 2
Chains and sequence ranges Author chain C； PDBConstruct 1–389； UniProt 1–389 Author chain D； PDBConstruct 1–389； UniProt 1–389

METHANE MONOOXYGENASE COMPONENT A, GAMMA CHAIN

OrganismNot specified

UniProt P11987

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 6 PDB declaration: hexameric（6） Consistent with protein copy count Chain E； UniProt 1–170 Chain F； UniProt 1–170 Not recorded METHANE MONOOXYGENASE COMPONENT A, ALPHA CHAIN × 2 （P22869） METHANE MONOOXYGENASE COMPONENT A, BETA CHAIN × 2 （P18798） FE2 FE (II) ION × 2 CA CALCIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K Resolution 2.40 Å R-free 0.253

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB Difference from Current Entry 1FZ5 Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Method and Experimental Conditions Structure Quality
1FYZ METHANE MONOOXYGENASE HYDROXYLASE, FORM II REDUCED BY SOAKING Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.15 Å R-free 0.230
1FZ0 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GROWN ANAEROBICALLY Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.07 Å R-free 0.230
1FZ1 METHANE MONOOXYGENASE HYDROXYLASE, FORM III OXIDIZED Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 1.96 Å R-free 0.234
1FZ2 METHANE MONOOXYGENASE HYDROXYLASE, FORM II MIXED-VALENT GENERATED BY CRYSTAL SOAKING Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE2 FE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.15 Å R-free 0.229
1FZ3 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAK AT PH 6.2 (0.1 M PIPES) Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.03 Å R-free 0.228
1FZ4 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED AT PH 8.5 (0.1 M TRIS) Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 2.38 Å R-free 0.256
1FZ6 METHANE MONOOXYGENASE HYDROXYLASE, FORM II SOAKED IN 1 M METHANOL Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 MOH METHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K, VAPOR DIFFUSION, HANGING DROP
Resolution 2.05 Å R-free 0.244
1FZ7 METHANE MONOOXYGENASE HYDROXYLASE, FORM III SOAKED IN 0.9 M ETHANOL Deposited 2000-10-03 Different ligand/ion Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 FMT FORMIC ACID × 1 EOH ETHANOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298 K
Resolution 1.96 Å R-free 0.255
1FZ8 METHANE MONOOXYGENASE HYDROXYLASE, FORM II COCRYSTALLIZED WITH DIBROMOMETHANE Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 2BM DIBROMOMETHANE × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, dibromomethane, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.10 Å R-free 0.250
1FZ9 Methane monooxygenase hydroxylase, form II cocrystallized with iodoethane Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 3 ETI IODOETHANE × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；PEG 8000, CaCl2, MOPS, 1,10-decanedioic acid, iodoethane. pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K
Resolution 2.30 Å R-free 0.260
1FZH METHANE MONOOXYGENASE HYDROXYLASE, FORM II PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 XE XENON × 11 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 8000, CaCl2, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 2.60 Å R-free 0.260
1FZI METHANE MONOOXYGENASE HYDROXYLASE, FORM I PRESSURIZED WITH XENON GAS Deposited 2000-10-03 Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–170（170 aa）
Chain F 1–170（170 aa）
Not recorded FE FE (III) ION × 4 XE XENON × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；PEG 4000, ammonium acetate, Li2SO4, MOPS, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 277K
Resolution 3.30 Å R-free 0.253
1MMO CRYSTAL STRUCTURE OF A BACTERIAL NON-HAEM IRON HYDROXYLASE THAT CATALYSES THE BIOLOGICAL OXIDATION OF METHANE Deposited 1994-02-22 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain G 3–164（162 aa）
Chain H 3–164（162 aa）
Not recorded FE FE (III) ION × 4 ACY ACETIC ACID × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.20 Å
1MTY METHANE MONOOXYGENASE HYDROXYLASE FROM METHYLOCOCCUS CAPSULATUS (BATH) Deposited 1996-07-10 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain G 3–164（162 aa）
Chain H 3–164（162 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；25 MM LI2SO4, 50 MM NH4OAC, 5% PEG 4000, IN 25 MM MOPS PH 7.0 WITH A RESERVOIR OF 20% PEG 4000
Resolution 1.70 Å
1XMF Structure of Mn(II)-Soaked Apo Methane Monooxygenase Hydroxylase Crystals from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–169（169 aa） Fragment：gamma subunit
Chain F 1–169（169 aa） Fragment：gamma subunit
Not recorded MN MANGANESE (II) ION × 4 CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, CaCl2, PEG8000, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.32 Å R-free 0.263
1XMG Crystal structure of apo methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–169（169 aa） Fragment：gamma subunit
Chain F 1–169（169 aa） Fragment：gamma subunit
Not recorded CA CALCIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, glycerol, azide, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.10 Å R-free 0.261
1XMH Structure of Co(II) reconstituted methane monooxygenase hydroxylase from M. capsulatus (Bath) Deposited 2004-10-02 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 1–169（169 aa） Fragment：gamma subunit
Chain F 1–169（169 aa） Fragment：gamma subunit
Not recorded CO COBALT (II) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；278 K；MOPS, PEG 8000, calcium chloride, sodium azide, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K
Resolution 2.32 Å R-free 0.225
1XU3 Soluble methane monooxygenase hydroxylase-soaked with bromophenol Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 BML 4-BROMOPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K, pH 7.00
Resolution 2.30 Å R-free 0.245
1XU5 Soluble methane monooxygenase hydroxylase-phenol soaked Deposited 2004-10-25 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 OH HYDROXIDE ION × 2 IPH PHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 1.96 Å R-free 0.228
1XVB soluble methane monooxygenase hydroxylase: 6-bromohexanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa）
Chain F 0–169（170 aa）
Not recorded FE FE (III) ION × 4 BHL 6-BROMOHEXAN-1-OL × 10 BBU 1-BROMOBUTANE × 1 BBX 1-BROMOETHANE × 1 CA CALCIUM ION × 1 3BR 1-BROMOPROPANE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.80 Å R-free 0.251
1XVC soluble methane monooxygenase hydroxylase: 8-bromooctanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 BR BROMIDE ION × 2 5BR 1-BROMOPENTANE × 1 BMM BROMOMETHANE × 1 FMT FORMIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.234
1XVD Soluble methane monooxygenase hydroxylase: 4-fluorophenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 FPN 4-FLUOROPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；273 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 273K
Resolution 2.30 Å R-free 0.229
1XVE soluble methane monooxygenase hydroxylase: 3-bromo-3-butenol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 2 3BB 3-BROMOBUT-3-EN-1-OL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.40 Å R-free 0.260
1XVF soluble methane monooxygenase hydroxylase: chloropropanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 3CL 3-CHLOROPROPANOL × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, NaN3, CaCl2, glycerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.00 Å R-free 0.230
1XVG soluble methane monooxygenase hydroxylase: bromoethanol soaked structure Deposited 2004-10-27 Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain E 0–169（170 aa） Fragment：gamma subunit
Chain F 0–169（170 aa） Fragment：gamma subunit
Not recorded FE FE (III) ION × 4 CA CALCIUM ION × 4 BRJ 2-BROMOETHANOL × 12 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；277 K；MOPS, PEG 8000, CaCl2, NaN3, glyerol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 1.96 Å R-free 0.230
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain C 1–170（170 aa）
Chain H 1–170（170 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
4GAM Complex structure of Methane monooxygenase hydroxylase and regulatory subunit Deposited 2012-07-25 Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics Assembly 2 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric
Chain M 1–170（170 aa）
Chain R 1–170（170 aa）
Not recorded FE FE (III) ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；298 K；0.1 M MES and 15% PEG 20,000 (w/v) ure 298K, pH 6.5, VAPOR DIFFUSION, SITTING DROP
Resolution 2.90 Å R-free 0.258
7TC7 Cryo-EM structure of methane monooxygenase hydroxylase (by quantifoil) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain G 1–170（170 aa）
Chain H 1–170（170 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7TC8 Cryo-EM structure of methane monooxygenase hydroxylase (by graphene) Deposited 2021-12-23 Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric
Chain G 1–170（170 aa）
Chain H 1–170（170 aa）
Not recorded FE FE (III) ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7；30 mM HEPES, pH 7, 150 mM NaCl, 1 mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å

28 other PDB entries and 29 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MEMG_METCA
Isoform —
PDB entities 3
Chains and sequence ranges Author chain E； PDBConstruct 1–170； UniProt 1–170 Author chain F； PDBConstruct 1–170； UniProt 1–170

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 1fz5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1fz5
Download Download
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1fz5
Deposition date deposition_date2000-10-03
Structure title titleMETHANE MONOOXYGENASE HYDROXYLASE, FORM II CRYSTALLIZED ANAEROBICALLY FROM REDUCED ENZYME
Keywords keywordsdinuclear iron center, monooxygenase, oxidoreductase; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION
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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier41.27 Å
Radius of gyration Rg (electron density) rg_electron40.87 Å
Forward intensity I(0) i0888048000.00
Molecular weight molecular_weight247030.0 kDa
Excluded volume excluded_volume308600 ų
Envelope volume envelope_volume361190 ų
Hydration-shell volume shell_volume70233 ų
Envelope diameter envelope_diameter135.4 Å
Shell Rg shell_rg48.73 Å
Envelope Rg envelope_rg40.81 Å
Shape Rg shape_rg40.85 Å
Total Rg total_rg41.29 Å
Total atoms total_atoms17480
Residues n_residues2129
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 Å−1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3
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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax128.0 Å
Rg (real space) rg_real41.23 Å
Rg uncertainty (real space) rg_real_error0.89 Å
I(0) (real space) i0_real8.8800e+08
I(0) uncertainty (real space) i0_real_error1.4970e+07
Rg (reciprocal space) rg_reciprocal41.27 Å
I(0) (reciprocal space) i0_reciprocal888100000.0000
Solution quality estimate total_estimate0.8712
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary43.8 Å
Skewness Skewness skewness0.273
Kurtosis Kurtosis kurtosis-0.590
Angular range angular_range— – 0.1900 Å−1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha431700000.0000
Real-space data points n_real_points39
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.952; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.464
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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (6)

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7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1fz5a_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like
Domain ID domain_idd1fz5b_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like
Domain ID domain_idd1fz5c_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like
Domain ID domain_idd1fz5d_
Class classa — All alpha proteins
Fold Fold folda.25 — Ferritin-like
Superfamily Superfamily superfamilya.25.1 — Ferritin-like
Family Family familya.25.1.2 — Ribonucleotide reductase-like
Domain ID domain_idd1fz5e_
Class classa — All alpha proteins
Fold Fold folda.23 — Open three-helical up-and-down bundle
Superfamily Superfamily superfamilya.23.3 — Methane monooxygenase hydrolase, gamma subunit
Family Family familya.23.3.1 — Methane monooxygenase hydrolase, gamma subunit
Domain ID domain_idd1fz5f_
Class classa — All alpha proteins
Fold Fold folda.23 — Open three-helical up-and-down bundle
Superfamily Superfamily superfamilya.23.3 — Methane monooxygenase hydrolase, gamma subunit
Family Family familya.23.3.1 — Methane monooxygenase hydrolase, gamma subunit

CATH v4.4 (8 domains)

Domain ID domain_id1fz5A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id1fz5B00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id1fz5C00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id1fz5D00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology620 — Ribonucleotide Reductase, subunit A
Homologous superfamily homologous superfamily20 — Ribonucleotide Reductase, subunit A
Domain ID domain_id1fz5E01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily10 — Methane monooxygenase, gamma chain, domain 1
Domain ID domain_id1fz5E02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily30 — Methane monooxygenase, gamma chain, domain 2
Domain ID domain_id1fz5F01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily10 — Methane monooxygenase, gamma chain, domain 1
Domain ID domain_id1fz5F02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1280 — Monooxygenase
Homologous superfamily homologous superfamily30 — Methane monooxygenase, gamma chain, domain 2
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8. Citations (1)

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9. Files and Curves (10)