1QIY | pdb_00001qiy

HUMAN INSULIN HEXAMERS WITH CHAIN B HIS MUTATED TO TYR COMPLEXED WITH PHENOL

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		R6 (NATIVE) INSULIN

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.8		CRYSTALLISATION IN BATCH, 10 MG B5 TYR INSULIN DISSOLVED IN 2 ML 0.02M HCL. TO THIS ADDED 0.1 ML 0.12M ZINC ACETATE, 1.5 ML 0.2 M TRI-SODIUM CITRATE, 0.4 ML 2.5% (AQ.) PHENOL AND 120 MG NACL. PH ADJUSTED TO 6.5-7.8 .

Crystal Properties
Matthews coefficient	Solvent content
2.5	50

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.1	α = 90
b = 62.08	β = 109.87
c = 48.35	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	289	AREA DETECTOR	MULTIWIRE SIEMENS		1993-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.26	36.8	92	0.046	10	1.8		13832			34.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.3	95.5		0.107	5	1.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	R6 (NATIVE) INSULIN	2.3	36.8	13832	13832		92	0.186		35.9

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
p_staggered_tor	19.2
p_transverse_tor	13.4
p_scangle_it	8.6
p_scbond_it	7.3
p_mcangle_it	4
p_planar_tor	3.1
p_mcbond_it	2.7
p_xyhbond_nbd	0.279
p_multtor_nbd	0.261
p_singtor_nbd	0.182
p_chiral_restr	0.14
p_angle_d	0.037
p_planar_d	0.034
p_plane_restr	0.017
p_bond_d	0.011
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2442
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms	46

Software

Software
Software Name	Purpose
PROLSQ	refinement
XDS	data reduction
SCALA	data scaling