1A9W | pdb_00001a9w

HUMAN EMBRYONIC GOWER II CARBONMONOXY HEMOGLOBIN

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1BBB	PDB ENTRY 1BBB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microseeding and macroseeding used to increase crystal size	8.5		PROTEIN WAS CRYSTALLIZED FROM 21% MME-PEG 5000, 0.2M TAPS/ KOH, PH 8.5, 2MM DITHIONITE. THEN MICROSEEDING AND MACROSEEDING USED TO INCREASE CRYSTAL SIZE, microseeding and macroseeding used to increase crystal size

Crystal Properties
Matthews coefficient	Solvent content
2.47	51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.8	α = 90
b = 62.8	β = 90
c = 320.9	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	287	IMAGE PLATE	RIGAKU RAXIS IIC	0.3 MM COLLIMATOR	1994-10-31	M

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)	R Sym 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	2.9	40	95.9	0.091	0.091	7.1	5.9		14645		1.9	61.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.9	2.97	76.3		0.37	0.37	1.9	4.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1BBB	2.9	40	14598	1485	95.9	0.185	0.185	0.19	0.232	0.23	RANDOM	50.3

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]
-1.2			-1.2		2.83

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	19.5
x_angle_deg	1.2
x_improper_angle_d	1.1
x_bond_d	0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4234
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	180

Software

Software
Software Name	Purpose
AMoRE	phasing
TFFC	model building
X-PLOR	refinement
DENZO	data reduction
CCP4	data scaling
ROTAVATA	data scaling
TFFC	phasing