PDB-9sa4: Inhibition by ATP regulates the activity of a CBASS antiphage nuc...

ID or keywords:

Entry

Database: PDB / ID: 9sa4

Title

Inhibition by ATP regulates the activity of a CBASS antiphage nucleotide cyclase

Components

CD-NTase

Keywords

ANTIVIRAL PROTEIN / CRISPR CBASS Anti-viral immune anti-phage

Function / homology

ADENOSINE-5'-TRIPHOSPHATE

Function and homology information

Biological species

Bacillus cereus (bacteria)

Method

X-RAY DIFFRACTION /

SYNCHROTRON /

MOLECULAR REPLACEMENT / Resolution: 2.23 Å

Authors

McMahon, S.A. / Gaskell-Mew, L. / Wotherspoon, P. / McQuarrie, S. / Graham, S. / Gloster, T.M. / White, M.F.

Funding support

European Union, 1items

Citation

Journal: Biochem.J. / Year: 2026
Title: Inhibition by ATP regulates the activity of a CBASS anti-phage nucleotide cyclase.
Authors: Gaskell-Mew, L. / McQuarrie, S. / McMahon, S.A. / Wotherspoon, P. / Graham, S. / Gloster, T.M. / White, M.F.

History

Deposition	Aug 7, 2025	Deposition site: PDBE / Processing site: PDBE
Revision 1.0	Aug 5, 2026	Provider: repository / Type: Initial release
Revision 1.1	Aug 12, 2026	Group: Database references / Category: citation Item: _citation.journal_volume / _citation.page_first / _citation.page_last

Structure viewer	Molecule: MolmilJmol/JSmol

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Download

PDBx/mmCIF format	9sa4.cif.gz	604.8 KB	Display	PDBx/mmCIF format
PDB format	pdb9sa4.ent.gz	419.3 KB	Display	PDB format
PDBx/mmJSON format	9sa4.json.gz		Tree view	PDBx/mmJSON format
Others	Other downloads

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Validation report

Arichive directory	https://data.pdbj.org/pub/pdb/validation_reports/sa/9sa4 ftp://data.pdbj.org/pub/pdb/validation_reports/sa/9sa4	HTTPS FTP

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Related structure data

Related structure data	9sa5C 9saxC C: citing same article (ref.)
Similar structure data	Similarity search - Function & homologyF&H Search Similarity search - HomologyF&H Search

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Links

PDB pages	PDBj / wwPDB / NCBI

Deposited unit

A: CD-NTase

B: CD-NTase

C: CD-NTase

D: CD-NTase

hetero molecules

159 kDa, 4 polymers
Search similar-shape structures of this assembly by Omokage search (details)

1

A: CD-NTase

hetero molecules

defined by author
Evidence: gel filtration
39.6 kDa, 1 polymers
Search similar-shape structures of this assembly by Omokage search (details)

2

B: CD-NTase

hetero molecules

defined by author
39.7 kDa, 1 polymers
Search similar-shape structures of this assembly by Omokage search (details)

3

C: CD-NTase

hetero molecules

defined by author
39.7 kDa, 1 polymers
Search similar-shape structures of this assembly by Omokage search (details)

4

D: CD-NTase

hetero molecules

defined by author
39.7 kDa, 1 polymers
Search similar-shape structures of this assembly by Omokage search (details)

Unit cell

Length a, b, c (Å)	86.795, 115.601, 156.463
Angle α, β, γ (deg.)	90.000, 90.000, 90.000
Int Tables number	19
Space group name H-M	P2₁2₁2₁
Space group name Hall	P2ac2ab
Symmetry operation	#1: x,y,z #2: x+1/2,-y+1/2,-z #3: -x,y+1/2,-z+1/2 #4: -x+1/2,-y,z+1/2

#1: Protein	CD-NTase Mass: 38384.262 Da / Num. of mol.: 4 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Bacillus cereus (bacteria) / Production host: Escherichia coli (E. coli)
#2: Chemical	ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE Mass: 507.181 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C₁₀H₁₆N₅O₁₃P₃ / Feature type: SUBJECT OF INVESTIGATION / Comment: ATP, energy-carrying molecule*YM
#3: Chemical	ChemComp-MG / MAGNESIUM ION Mass: 24.305 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Formula: Mg
#4: Chemical	ChemComp-SO4 / SULFATE ION Mass: 96.063 Da / Num. of mol.: 11 / Source method: isolated from a natural source / Formula: SO₄
#5: Water	ChemComp-HOH / water Mass: 18.015 Da / Num. of mol.: 212 / Source method: isolated from a natural source / Formula: H₂O
Has ligand of interest	Y
Has protein modification	N

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Experiment

Experiment	Method: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

Crystal	Density Matthews: 2.56 Å³/Da / Density % sol: 51.88 %
Crystal grow	Temperature: 293 K / Method: vapor diffusion, sitting drop / Details: 0.1M BisTris pH5.5 1.6M Ammonium sulphate

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Data collection

Diffraction	Mean temperature: 100 K / Serial crystal experiment: N
Diffraction source	Source: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.97623 Å
Detector	Type: DECTRIS EIGER2 XE 16M / Detector: PIXEL / Date: Jul 12, 2022
Radiation	Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength	Wavelength: 0.97623 Å / Relative weight: 1
Reflection	Resolution: 2.12→100 Å / Num. obs: 90060 / % possible obs: 100 % / Redundancy: 13.6 % / B_iso Wilson estimate: 58.17 Å² / CC_1/2: 0.999 / Net I/σ(I): 9.3
Reflection shell	Resolution: 2.12→2.15 Å / Num. unique obs: 4369 / CC_1/2: 0.323

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Processing

Software

Name	Version	Classification
PHENIX	1.21.2_5419	refinement
DIALS		data reduction
DIALS		data scaling
PHASER		phasing

Refinement

Method to determine structure:

MOLECULAR REPLACEMENT / Resolution: 2.23→78.23 Å / SU ML: 0.4264 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 30.3389
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2

	R_factor	Num. reflection	% reflection
R_free	0.2559	3834	5.01 %
R_work	0.2045	72755	-
obs	0.2071	76589	98.99 %

Solvent computation

Shrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL

Displacement parameters

B_iso mean: 68.33 Å²

Refinement step

Cycle: LAST / Resolution: 2.23→78.23 Å

	Protein	Nucleic acid	Ligand	Solvent	Total
Num. atoms	9670	0	307	212	10189

Refine LS restraints

Refine-ID	Type	Dev ideal	Number
X-RAY DIFFRACTION	f_bond_d	0.0077	10209
X-RAY DIFFRACTION	f_angle_d	0.9801	13865
X-RAY DIFFRACTION	f_chiral_restr	0.0614	1503
X-RAY DIFFRACTION	f_plane_restr	0.0081	1719
X-RAY DIFFRACTION	f_dihedral_angle_d	15.1697	1578

LS refinement shell

Resolution (Å)	R_factor R_free	Num. reflection R_free	R_factor R_work	Num. reflection R_work	Refine-ID	% reflection obs (%)
2.23-2.26	0.4086	104	0.3913	2257	X-RAY DIFFRACTION	83.72
2.26-2.29	0.4023	132	0.3688	2560	X-RAY DIFFRACTION	94.39
2.29-2.32	0.3514	156	0.3521	2584	X-RAY DIFFRACTION	97.89
2.32-2.35	0.3872	140	0.3448	2654	X-RAY DIFFRACTION	98.14
2.35-2.39	0.3241	120	0.3299	2668	X-RAY DIFFRACTION	99.29
2.39-2.42	0.3221	139	0.3256	2712	X-RAY DIFFRACTION	99.93
2.42-2.46	0.3423	153	0.3176	2662	X-RAY DIFFRACTION	99.89
2.46-2.51	0.3791	136	0.3048	2701	X-RAY DIFFRACTION	99.89
2.51-2.55	0.3845	133	0.3169	2710	X-RAY DIFFRACTION	99.96
2.55-2.6	0.404	153	0.3726	2675	X-RAY DIFFRACTION	99.96
2.6-2.65	0.3633	149	0.3145	2697	X-RAY DIFFRACTION	99.93
2.65-2.71	0.3401	149	0.2929	2710	X-RAY DIFFRACTION	99.86
2.71-2.78	0.3122	124	0.2667	2689	X-RAY DIFFRACTION	99.96
2.78-2.85	0.3398	145	0.2503	2708	X-RAY DIFFRACTION	99.89
2.85-2.92	0.288	134	0.2399	2710	X-RAY DIFFRACTION	100
2.92-3.01	0.3355	148	0.2563	2720	X-RAY DIFFRACTION	100
3.01-3.11	0.3176	141	0.2588	2709	X-RAY DIFFRACTION	99.96
3.11-3.22	0.3111	137	0.2678	2734	X-RAY DIFFRACTION	99.97
3.22-3.34	0.3146	168	0.2348	2688	X-RAY DIFFRACTION	99.96
3.35-3.5	0.2873	150	0.2143	2714	X-RAY DIFFRACTION	100
3.5-3.68	0.2542	146	0.1835	2716	X-RAY DIFFRACTION	99.97
3.68-3.91	0.2022	139	0.1675	2753	X-RAY DIFFRACTION	100
3.91-4.21	0.2233	145	0.1592	2734	X-RAY DIFFRACTION	100
4.21-4.64	0.2024	161	0.1392	2760	X-RAY DIFFRACTION	100
4.64-5.31	0.2022	150	0.1365	2769	X-RAY DIFFRACTION	100
5.31-6.69	0.1921	140	0.1662	2817	X-RAY DIFFRACTION	100
6.69-78.23	0.198	142	0.1665	2944	X-RAY DIFFRACTION	99.84

Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

ID	L11 (°²)	L12 (°²)	L13 (°²)	L22 (°²)	L23 (°²)	L33 (°²)	S11 (Å °)	S12 (Å °)	S13 (Å °)	S21 (Å °)	S22 (Å °)	S23 (Å °)	S31 (Å °)	S32 (Å °)	S33 (Å °)	T11 (Å²)	T12 (Å²)	T13 (Å²)	T22 (Å²)	T23 (Å²)	T33 (Å²)	Origin x (Å)	Origin y (Å)	Origin z (Å)
1	5.36689813609	5.40273136222	1.42612159774	8.97354410985	3.56085486968	3.09996197606	-0.314444979076	0.439855950891	0.707733621824	-0.11352361934	0.0744172975036	1.19729888469	-0.280744960805	-0.176446138034	0.252839573016	0.500874936141	0.0412958269412	-0.0752496692363	0.567987573593	0.0549191427729	0.497701076203	-16.4822845772	16.9649447941	-18.9422156664
2	5.32548581301	-2.03913230041	0.288355699438	1.0453106416	0.200360052594	7.47599971457	-0.0881268200179	0.301288888242	0.585850881162	-0.0929444764511	0.0011921023901	-0.721473359501	-1.31700707302	0.620554974068	0.153726950926	0.610528276869	-0.0464474133604	0.00495395262076	0.440437998965	0.0670335855351	0.574384857553	-1.33199959688	29.8408561911	-19.601745247
3	1.07278960917	0.109498630397	0.198679228434	2.69455805754	-0.543328146475	2.67409483092	-0.128838243191	0.190964659315	0.0461354126466	0.241330306444	0.0206161054399	-0.0844978422786	-0.124471528048	0.120167088014	0.164494898071	0.409587906852	0.0244016863509	-0.00369282101419	0.424925436684	0.0105484321595	0.425719099854	-4.66690030339	18.180726626	-15.167730046
4	5.66525402958	-0.227525530512	-3.43882248504	2.86547337478	0.558069448601	8.13950561991	0.0371897413374	0.00559651770088	0.221844911775	0.131744323552	-0.105180223404	-0.562955443373	-0.264767084741	0.663385745848	0.0523641532445	0.507433572875	-0.0673284393475	-0.0839839210468	0.51542495854	0.0709906163818	0.700078201834	5.57756550742	24.1069600163	-15.4226716314
5	9.33300129287	5.40243599774	4.73892422043	3.5325500408	3.7453408709	5.07817403069	0.546551802542	-0.205606347793	0.304268843374	-0.161343332368	-0.382619253866	0.182683175609	0.0402334319105	-0.740155287435	-0.192988912026	0.51192216601	0.0902686548533	0.0252022732546	0.585359503333	0.0684045161813	0.522411419058	-7.87020091854	14.6127112812	-34.1517272669
6	4.7995590404	-0.513056791846	-0.803524695884	3.4365473001	-0.459158495833	2.39205891086	0.108996588205	0.267019367182	-0.0821950724663	-0.242169344393	-0.117395527262	-0.263462685903	0.29717532897	-0.0360427175886	0.0166143462941	0.398467246394	0.0324703003459	0.0281055952364	0.379345925131	-0.0322694921839	0.374317600111	-4.680280944	-1.0191924435	-26.819619025
7	5.9012220799	-2.81972461159	1.31816666001	1.45207208737	-0.155765353439	6.31978894246	0.0457902274886	0.0309252470328	0.238690151771	0.215739988451	-0.0567535895887	0.317245624897	0.141007382203	-0.5780324194	0.0181578461581	0.587416280376	-0.126753203891	0.0939162388274	0.62890829846	0.0241196657245	0.780800555942	-24.2028535965	-4.32141356086	-20.3660223624
8	3.09422050139	3.06372833307	0.165657786667	6.11495802167	-1.02015420089	1.44772754723	-0.0905298609861	0.0786389726772	0.93693054365	0.262696393091	0.272008973098	1.27434772192	-0.296368645119	-0.421027425755	-0.165293546348	0.550820047759	0.13576295218	0.169575370195	0.44202623571	-0.0106551999858	0.652747555434	-38.3766804364	43.2800572424	-32.7304272962
9	1.3988605979	0.268416745508	1.74495023982	2.31341539869	2.16779304497	3.64540539161	-0.161454583366	-0.209207690104	-0.373180800747	0.246597872682	0.301773356239	0.643222759104	0.0833700169389	-0.712970035714	-0.152132012176	0.523046652063	0.0297479356395	0.172959843085	0.656812757647	0.0376306725172	0.767947426988	-43.9423534688	25.6726288213	-25.7960406198
10	1.83105969199	-0.686212762239	0.172290872701	3.41688270283	-2.01493230014	4.67838999108	-0.0571557461382	0.173456701584	-0.28067532163	-0.262141794105	0.108879453554	0.203942114934	0.267279957043	-0.326965627437	-0.0762815583197	0.421422713572	-0.0350497292455	0.0691445738108	0.432131637604	-0.0250644601989	0.607011774953	-39.356286196	25.2199361544	-35.3441031174
11	4.54536406786	0.813530853148	6.08946205059	4.92406470241	-1.61812067888	9.86765049884	0.0711337950397	-0.0705123300688	-0.835029449654	0.361122487492	0.356398671895	0.00614125324499	0.325924896727	-0.0170797356129	-0.353936366649	0.538448922301	-0.023890024524	0.118191594352	0.433185634091	-0.0145308287248	0.587738998171	-31.6671770978	17.9530965197	-22.8702390325
12	1.9960288671	-0.244127578469	-0.230356633716	1.78122446809	0.21128122823	2.18497595338	-0.0231240751167	-0.109515664696	0.115703906038	0.0797501932232	-0.0572408213256	-0.015151216907	-0.167708896866	0.187993530704	0.0834347517997	0.395100745452	-0.00173519860912	0.035443489758	0.364864122237	-0.00740001183681	0.452361167699	-17.624262246	41.7137519228	-32.3876514261
13	4.56421211669	-1.33177630419	-1.14828852422	2.07298444808	1.01274227845	1.76386171822	-0.112483782775	-0.361351527154	-0.108921143714	0.467988182803	0.183736894189	-0.161572406605	0.632178388627	0.0123572784689	-0.0611276489984	0.673443484759	-0.0368791661822	-0.0540261838268	0.422062216792	-0.0248480585264	0.407758466266	-0.525799168417	-8.16629205172	3.55966466939
14	5.66400680444	1.52759435299	2.78176365	4.15514300638	2.3308603702	7.97314508369	0.105992687615	0.184017603516	0.293405610031	-0.0240961473899	0.0282650653737	-0.558704819169	0.00469628144177	0.4989677799	-0.163535231044	0.448614456304	0.057450550666	-0.00730099738765	0.389260362678	-0.0296412309803	0.521653089744	12.8696181379	-5.96958851442	-2.24775549364
15	4.91133366547	-2.28629761765	1.22333257543	4.38409706824	-1.67096492671	0.847839942203	-0.243101214163	-0.501122432916	-0.109743725528	0.470049452865	0.172740167011	-0.11369930864	0.19024188262	-0.314308541954	0.0732280791116	0.82271383892	-0.152343416348	-0.0175880341461	0.553531891249	-0.101212924269	0.422726016833	-3.46907979504	2.20207020246	14.822266627
16	3.47197315401	0.688177260211	-0.527217568601	2.02813399342	-2.02672560493	4.73480460733	-0.0389226614182	-0.443400827477	0.311653577613	0.911856059696	-0.146141058997	0.0497106856119	-0.474739471978	-0.147300572725	0.142538444166	0.871088330946	-0.0570863939923	-0.0583679793904	0.556600346185	-0.127279978493	0.485221273184	-3.58998368612	13.4186137738	14.1045483992
17	2.52801750537	0.525713239564	1.53113616017	1.52528079574	-0.20904584895	2.378924644	-0.232187193165	0.114833804228	0.386009850042	0.361595083454	-0.098137047229	-0.182249302229	-0.258248373624	-0.0508523507269	0.327692436283	0.796047459204	-0.0105856391425	-0.17485173207	0.418363222708	-0.0497853888947	0.574334616775	-0.0643888075871	16.7178868786	9.83998859708
18	2.69123621032	1.86507272509	1.35299017677	6.78714773304	-1.18947042456	2.20216723295	-0.124113745555	0.0268025170183	0.456701555479	0.615956942338	0.366943644891	0.960732165968	-0.68501498888	-0.758943652454	-0.176171558988	0.714387662025	0.0420021964731	0.163870557638	0.771449157246	-0.0149829634746	0.731155689233	-27.2700604988	9.17733220234	12.0024534391
19	6.10307865267	3.00332758498	-3.78558954732	6.81022926258	0.810214575703	3.70599023897	-0.679669392411	1.51747944034	1.34637458142	-0.0122410353514	0.525348531037	0.866270965212	-1.24851735131	-0.784538499262	0.185890694821	0.674977290727	0.0535310550842	0.0295054386132	0.73787924848	0.244991851914	0.644395351805	-36.0390217767	41.3829158629	-68.6860153931
20	8.08465675915	-5.49230798857	3.72075749799	3.77037180462	-2.08715719072	5.37016465929	-0.148360646525	0.277173205346	0.625884718956	-0.0852788529621	0.174450650793	-0.640118826315	-0.510032276804	0.781629918884	-0.0232628902251	0.641254105446	-0.173517584784	0.0557515149021	0.766047339418	-0.00193775346375	0.577720961194	-8.63681000567	32.1664453935	-61.9084423621
21	4.51104980842	-3.62479065915	2.45587347264	3.99272093347	-2.3334911309	3.28593159156	0.361924871015	-0.232699099064	0.544091691543	-0.534978787912	-0.0323810325425	-0.417897779486	0.295337110507	0.189082712841	-0.33809324121	0.620518841714	-0.112199391216	0.0813601817335	0.579333943928	-0.0705211165194	0.582457462526	-8.41554321366	22.0129409283	-62.0262370583
22	3.36060746361	-0.737443269541	-0.119309333006	2.24567390065	0.494479936333	1.37157142539	0.118257403678	0.02569830781	-0.0409086226707	0.0849677362671	0.0150891758761	0.237407330506	-0.0414959186325	0.0562167968542	-0.177900965796	0.610232795998	-0.0128749850246	0.0395802729297	0.538948340818	0.0494635262045	0.461947833207	-18.0759754919	27.1605574162	-56.5803266678
23	2.01030403759	1.43827030049	-1.37416735559	9.82751870541	0.794967942396	5.90437754118	-0.00668243941546	0.0706969629436	-0.186777183535	0.74226624471	-0.0504325768486	-0.41120588111	0.395869994709	0.460236272283	0.0360904345752	0.589333427985	0.0367303428132	-0.0483297336482	0.596565038689	0.0325148210951	0.535321830751	-8.4780655203	21.0334931559	-48.8646519313
24	2.47231678659	1.1204335681	1.44036579465	2.89569820515	3.06852034615	3.65612185729	0.158560150215	-0.128105340557	-0.193921372979	-0.172112481853	-0.106050071513	0.105898514113	0.27147973925	0.240332178593	-0.0902047539117	0.573134612203	-0.0293901273765	-0.0187249553565	0.543405711852	0.0382296962307	0.459122668808	-14.9852176668	15.9488035176	-57.3499791729
25	4.79677826618	-4.98519904832	4.09593801693	5.21534010224	-4.4356209867	5.12762814877	0.201901840345	0.449791223711	0.408468284471	-0.120147417351	-0.478819122885	-0.0637097593098	0.0360613381507	0.160857965507	0.24813039397	0.602975054241	-0.0429553790809	-0.00830075492971	0.687550094345	0.00132517677235	0.535388639149	-27.168308047	22.2940530918	-73.5010548638
26	3.56692397959	0.576756347712	-3.50389675514	4.158829981	1.42456341448	4.61106429824	-0.174212227462	0.458416294169	0.0580821347928	-0.221378409297	-0.111360819184	0.170897947069	0.0548849237802	-0.811389108538	0.253150822857	0.35966263187	-0.0590181203153	-0.0631878533352	0.52607428364	0.0371785696342	0.43416195508	-35.7226071665	27.5956429899	-62.7932162734
27	5.13820883162	1.85180194101	-2.78807548622	4.01534534883	-4.12330944441	4.37640551863	-0.650596572227	1.18496541246	-0.26890337355	-0.674645291291	0.466497877981	0.133368896716	0.786659969861	-1.30174951058	0.0333426769272	0.675306378659	-0.0920454465613	-0.063280574974	0.902684612978	-0.122578109791	0.577378141888	-45.4415266495	22.7693767968	-63.9219063787
28	5.11285065598	-0.959568136732	-7.05835805091	0.231327178928	1.38412478995	9.7315046795	-0.746959665446	-0.44602901155	-0.686405690601	0.31814116493	-0.0304363398926	0.165296221426	0.952634196211	0.0584470253991	0.83067441901	0.557740796146	-0.0752866310059	0.0806229371357	0.614497344357	-0.029648784064	0.506737214998	-33.3034454602	12.2985364091	-58.6183270984
29	2.17277545458	0.711603573413	-1.41774635812	6.86093414311	-2.32663976908	6.77545053157	0.0701070859545	0.862041410951	-0.161654517893	0.217771594317	0.0555899079829	0.54969650452	-0.212293753474	-1.03453321117	-0.216236654884	0.425361531991	-0.0376057545865	0.0363672427101	0.808176688859	-0.0565182204995	0.656739223676	-46.874302916	27.0276533077	-57.1868832053
30	7.87516854697	-0.912386701534	2.08928712902	9.53138359002	-0.49489854228	9.66556446884	-0.284179534607	0.544780967048	1.14716203807	-0.114807578685	-0.294446529671	0.609476321755	-0.93321339958	-0.926899637007	0.590275083619	0.734874129529	0.203067979261	-0.0679396071073	0.957729808504	0.107561547671	0.897065384515	-45.810316708	43.8930721607	-62.3094902298

Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

ID	Refine TLS-ID	Selection details	Auth asym-ID	Label asym-ID	Auth seq-ID	Label seq-ID
1	1	chain 'A' and (resid 1 through 37 )	A	A	1 - 37	1 - 37
2	2	chain 'A' and (resid 38 through 56 )	A	A	38 - 56	38 - 56
3	3	chain 'A' and (resid 57 through 87 )	A	A	57 - 87	57 - 87
4	4	chain 'A' and (resid 88 through 151 )	A	A	88 - 151	88 - 151
5	5	chain 'A' and (resid 152 through 168 )	A	A	152 - 168	152 - 168
6	6	chain 'A' and (resid 169 through 276 )	A	A	169 - 276	169 - 276
7	7	chain 'A' and (resid 277 through 309 )	A	A	277 - 309	277 - 306
8	8	chain 'B' and (resid 1 through 37 )	B	D	1 - 37	1 - 37
9	9	chain 'B' and (resid 38 through 56 )	B	D	38 - 56	38 - 56
10	10	chain 'B' and (resid 57 through 128 )	B	D	57 - 128	57 - 128
11	11	chain 'B' and (resid 129 through 151 )	B	D	129 - 151	129 - 151
12	12	chain 'B' and (resid 152 through 298 )	B	D	152 - 298	152 - 298
13	13	chain 'C' and (resid 1 through 87 )	C	G	1 - 87	1 - 87
14	14	chain 'C' and (resid 88 through 151 )	C	G	88 - 151	88 - 151
15	15	chain 'C' and (resid 152 through 183 )	C	G	152 - 183	152 - 183
16	16	chain 'C' and (resid 184 through 231 )	C	G	184 - 231	184 - 231
17	17	chain 'C' and (resid 232 through 276 )	C	G	232 - 276	232 - 276
18	18	chain 'C' and (resid 277 through 306 )	C	G	277 - 306	277 - 306
19	19	chain 'D' and (resid 1 through 17 )	D	J	1 - 17	1 - 17
20	20	chain 'D' and (resid 18 through 37 )	D	J	18 - 37	18 - 37
21	21	chain 'D' and (resid 38 through 56 )	D	J	38 - 56	38 - 56
22	22	chain 'D' and (resid 57 through 87 )	D	J	57 - 87	57 - 87
23	23	chain 'D' and (resid 88 through 112 )	D	J	88 - 112	88 - 112
24	24	chain 'D' and (resid 113 through 151 )	D	J	113 - 151	113 - 151
25	25	chain 'D' and (resid 152 through 168 )	D	J	152 - 168	152 - 168
26	26	chain 'D' and (resid 169 through 210 )	D	J	169 - 210	169 - 210
27	27	chain 'D' and (resid 211 through 231 )	D	J	211 - 231	211 - 231
28	28	chain 'D' and (resid 232 through 253 )	D	J	232 - 253	232 - 253
29	29	chain 'D' and (resid 254 through 276 )	D	J	254 - 276	254 - 276
30	30	chain 'D' and (resid 277 through 298 )	D	J	277 - 298	277 - 298

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