porphobilinogen synthase / porphobilinogen synthase activity / porphyrin-containing compound biosynthetic process / protoporphyrinogen IX biosynthetic process / heme biosynthetic process / zinc ion binding / cytosol Similarity search - Function
Delta-aminolevulinic acid dehydratase / Delta-aminolevulinic acid dehydratase, active site / Delta-aminolevulinic acid dehydratase / Delta-aminolevulinic acid dehydratase active site. / Delta-aminolevulinic acid dehydratase / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Alpha Beta Similarity search - Domain/homology
Mass: 18.015 Da / Num. of mol.: 176 / Source method: isolated from a natural source / Formula: H2O
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Details
Has protein modification
Y
Nonpolymer details
THE HETGROUP AYC (ALAREMYCIN 2) DIFFERS FROM ALAREMYCIN, AN ANTIBIOTIC ISOLATED FROM STREPTOMYCES ...THE HETGROUP AYC (ALAREMYCIN 2) DIFFERS FROM ALAREMYCIN, AN ANTIBIOTIC ISOLATED FROM STREPTOMYCES SP. ATCC: A012304, BY THE REDUCTION/HYDROGENATION OF THE C5 C=C DOUBLE BOND ADJACENT TO THE CENTRAL KETONE GROUP. THIS RESULTS IN A NON-PLANAR SP3-HYBRIDIZED C5 AND AN ADJACENT METHYL GROUP. ALAREMYCIN AND ITS PURIFICATION ARE DESCRIBED IN HTTP://WWW.JSTAGE.JST.GO.JP/ARTICLE/BBB/69/9/69_1721/ THE BOND BETWEEN ATOM NZ OF LYS A260 AND AYC A1333 IS A DOUBLE SCHIFF BASE BOND.
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 2.14 Å3/Da / Density % sol: 42.58 % / Description: NONE
Crystal grow
Temperature: 290 K / Method: vapor diffusion, sitting drop Details: 100 MM HEPES PH 7.5, 200 MM MGCL2, 30 % PEG400 TEMPERATURE = 17 C PROTEIN CONCENTRATION = 20 MG/ML
Resolution: 1.75→25.31 Å / Cor.coef. Fo:Fc: 0.969 / Cor.coef. Fo:Fc free: 0.959 / SU B: 3.847 / SU ML: 0.058 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R: 0.112 / ESU R Free: 0.104 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES RESIDUAL ONLY
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.17966
1488
5.1 %
RANDOM
Rwork
0.1456
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obs
0.14736
27822
99.99 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK