3RJ7

Human carbonic anhydrase II complexed with its inhibitor rhenium(I)triscarbonyl-cyclopentadienyl-carboxy-4-aminomethylbenzene-sulfonamide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8		2.4 M ammonium sulfate, 0.1 M Tris-HCl, pH 8.0, 1 mM 4-hydroxymercuribenzoic acid, 5% v/v DMSO, 4 weeks at 298K, 2 weeks at 277K, 4 weeks again at 298K, VAPOR DIFFUSION, HANGING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.11	41.75

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.243	α = 90
b = 41.639	β = 104.55
c = 72.107	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	100	CCD	MARMOSAIC 225 mm CCD	MIRROR, BARTELS MONOCHROMATOR, DUAL CHANNEL CUT CRYSTALS, TOROIDAL MIRROR	2011-01-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.2	35.76	95.5	0.0308	15.88	2.02	142060	121548	4	2

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	1.2	1.27			0.306	4.71	2	22336

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO	FREE R	PDB ENTRY 3IQK	1.2	35.76	2	4	142060	121548	7121	95.5	0.166	0.19	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
15		2429.8

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.093
s_zero_chiral_vol	0.091
s_similar_adp_cmpnt	0.05
s_angle_d	0.033
s_from_restr_planes	0.0318
s_anti_bump_dis_restr	0.02
s_bond_d	0.018
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2053
Nucleic Acid Atoms
Solvent Atoms	333
Heterogen Atoms	67

Software

Software
Software Name	Purpose
RemDAq	data collection
PHASER	phasing
SHELXL-97	refinement
XDS	data reduction
XDS	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.