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
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