Analysis of interatomic Contacts of Structural Units in PDB entry:
2I78

Contacts of Structural Units (CSU) are derived with the CSU software (Sobolev V., Sorokine A., Prilusky J., Abola E.E. and Edelman M. (1999) Automated analysis of interatomic contacts in proteins. Bioinformatics, 15, 327-332).
This page provides analyses of contacts formed by:

chains
helices
sheets
residues

For analysis of ligand-protein contacts, use:

LPC software

3D structure can be seen in additional window with STING software for 2I78 entry

There are 4 chains in PDB entry 2I78 (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	SER 39	SER 764
B	SER 39	SER 764
C	SER 39	SER 764
D	SER 39	SER 764

There are 65 helices in PDB entry 2I78. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	44	50	Right-handed alpha
Helix 2	2	A	200	207	Right-handed alpha
Helix 3	3	A	290	295	Right-handed alpha
Helix 4	4	A	421	425	Right-handed 310
Helix 5	5	A	497	505	Right-handed alpha
Helix 6	6	A	562	570	Right-handed alpha
Helix 7	7	A	587	592	Right-handed alpha
Helix 8	8	A	593	595	Right-handed 310
Helix 9	9	A	600	615	Right-handed alpha
Helix 10	10	A	630	641	Right-handed alpha
Helix 11	11	A	658	662	Right-handed 310
Helix 12	12	A	663	672	Right-handed alpha
Helix 13	13	A	679	686	Right-handed alpha
Helix 14	14	A	688	698	Right-handed 310
Helix 15	15	A	712	726	Right-handed alpha
Helix 16	16	A	744	764	Right-handed alpha
Helix 17	17	B	44	51	Right-handed alpha
Helix 18	18	B	95	99	Right-handed 310
Helix 19	19	B	200	207	Right-handed alpha
Helix 20	20	B	290	295	Right-handed alpha
Helix 21	21	B	421	425	Right-handed 310
Helix 22	22	B	497	505	Right-handed alpha
Helix 23	23	B	562	572	Right-handed alpha
Helix 24	24	B	587	592	Right-handed alpha
Helix 25	25	B	600	615	Right-handed alpha
Helix 26	26	B	630	640	Right-handed alpha
Helix 27	27	B	658	662	Right-handed 310
Helix 28	28	B	663	672	Right-handed alpha
Helix 29	29	B	679	686	Right-handed alpha
Helix 30	30	B	688	698	Right-handed 310
Helix 31	31	B	713	725	Right-handed alpha
Helix 32	32	B	744	764	Right-handed alpha
Helix 33	33	C	44	51	Right-handed alpha
Helix 34	34	C	91	96	Right-handed 310
Helix 35	35	C	200	207	Right-handed alpha
Helix 36	36	C	290	295	Right-handed alpha
Helix 37	37	C	421	425	Right-handed 310
Helix 38	38	C	497	505	Right-handed alpha
Helix 39	39	C	562	570	Right-handed alpha
Helix 40	40	C	587	592	Right-handed alpha
Helix 41	41	C	593	595	Right-handed 310
Helix 42	42	C	600	616	Right-handed alpha
Helix 43	43	C	630	641	Right-handed alpha
Helix 44	44	C	658	662	Right-handed 310
Helix 45	45	C	663	672	Right-handed alpha
Helix 46	46	C	679	686	Right-handed alpha
Helix 47	47	C	688	698	Right-handed 310
Helix 48	48	C	713	726	Right-handed alpha
Helix 49	49	C	744	764	Right-handed alpha
Helix 50	50	D	44	50	Right-handed alpha
Helix 51	51	D	200	207	Right-handed alpha
Helix 52	52	D	290	295	Right-handed alpha
Helix 53	53	D	421	425	Right-handed 310
Helix 54	54	D	497	505	Right-handed alpha
Helix 55	55	D	562	570	Right-handed alpha
Helix 56	56	D	587	592	Right-handed alpha
Helix 57	57	D	593	595	Right-handed 310
Helix 58	58	D	600	615	Right-handed alpha
Helix 59	59	D	630	641	Right-handed alpha
Helix 60	60	D	658	662	Right-handed 310
Helix 61	61	D	663	672	Right-handed alpha
Helix 62	62	D	679	686	Right-handed alpha
Helix 63	63	D	688	698	Right-handed 310
Helix 64	64	D	712	726	Right-handed alpha
Helix 65	65	D	744	764	Right-handed alpha

There are 50 sheets in PDB entry 2I78. Click on sheet of interest to get list of strands forming it: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, AA, AB, AC, AD, AE, AF, AG, AH, AI, AJ, AK, AL, AM, AN, AO, AP, AQ, AR, AS, AT, AU, AV, AW, AX,

There are 2 strands in A sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	41	42	first strand
Strand 2	A	507	508	parallel

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There are 4 strands in B sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	60	62	first strand
Strand 2	A	67	71	anti-parallel
Strand 3	A	76	80	anti-parallel
Strand 4	A	86	90	anti-parallel

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There are 4 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	104	107	first strand
Strand 2	A	113	122	anti-parallel
Strand 3	A	128	136	anti-parallel
Strand 4	A	141	142	anti-parallel

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There are 4 strands in D sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	152	157	first strand
Strand 2	A	164	168	anti-parallel
Strand 3	A	171	175	anti-parallel
Strand 4	A	183	184	anti-parallel

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There are 3 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	194	196	first strand
Strand 2	A	222	229	anti-parallel
Strand 3	A	214	216	anti-parallel

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There are 4 strands in F sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	194	196	first strand
Strand 2	A	222	229	anti-parallel
Strand 3	A	265	272	anti-parallel
Strand 4	A	284	287	anti-parallel

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There are 2 strands in G sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	235	240	first strand
Strand 2	A	250	255	anti-parallel

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There are 4 strands in H sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	298	305	first strand
Strand 2	A	310	317	anti-parallel
Strand 3	A	322	331	anti-parallel
Strand 4	A	336	339	anti-parallel

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There are 4 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	298	305	first strand
Strand 2	A	310	317	anti-parallel
Strand 3	A	322	331	anti-parallel
Strand 4	A	345	348	anti-parallel

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There are 4 strands in J sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	363	364	first strand
Strand 2	A	370	376	anti-parallel
Strand 3	A	382	388	anti-parallel
Strand 4	A	395	396	anti-parallel

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There are 4 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	404	410	first strand
Strand 2	A	414	419	anti-parallel
Strand 3	A	430	435	anti-parallel
Strand 4	A	442	444	anti-parallel

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There are 4 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	457	461	first strand
Strand 2	A	467	472	anti-parallel
Strand 3	A	479	484	anti-parallel
Strand 4	A	489	495	anti-parallel

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There are 8 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	511	519	first strand
Strand 2	A	522	530	anti-parallel
Strand 3	A	574	578	anti-parallel
Strand 4	A	540	545	parallel
Strand 5	A	619	629	parallel
Strand 6	A	649	653	parallel
Strand 7	A	699	705	parallel
Strand 8	A	731	735	parallel

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There are 2 strands in N sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	41	42	first strand
Strand 2	B	507	508	parallel

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There are 4 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	61	62	first strand
Strand 2	B	67	70	anti-parallel
Strand 3	B	76	80	anti-parallel
Strand 4	B	86	90	anti-parallel

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There are 4 strands in P sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	102	107	first strand
Strand 2	B	113	122	anti-parallel
Strand 3	B	128	136	anti-parallel
Strand 4	B	141	142	anti-parallel

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There are 4 strands in Q sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	152	157	first strand
Strand 2	B	164	168	anti-parallel
Strand 3	B	171	175	anti-parallel
Strand 4	B	183	184	anti-parallel

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There are 3 strands in R sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	194	196	first strand
Strand 2	B	222	229	anti-parallel
Strand 3	B	214	216	anti-parallel

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There are 4 strands in S sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	194	196	first strand
Strand 2	B	222	229	anti-parallel
Strand 3	B	265	272	anti-parallel
Strand 4	B	284	287	anti-parallel

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There are 2 strands in T sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	235	240	first strand
Strand 2	B	250	255	anti-parallel

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There are 4 strands in U sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	298	305	first strand
Strand 2	B	310	317	anti-parallel
Strand 3	B	322	330	anti-parallel
Strand 4	B	337	339	anti-parallel

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There are 4 strands in V sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	298	305	first strand
Strand 2	B	310	317	anti-parallel
Strand 3	B	322	330	anti-parallel
Strand 4	B	345	348	anti-parallel

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There are 4 strands in W sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	363	364	first strand
Strand 2	B	370	376	anti-parallel
Strand 3	B	382	388	anti-parallel
Strand 4	B	395	396	anti-parallel

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There are 4 strands in X sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	404	410	first strand
Strand 2	B	414	419	anti-parallel
Strand 3	B	430	435	anti-parallel
Strand 4	B	438	444	anti-parallel

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There are 4 strands in Y sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	457	461	first strand
Strand 2	B	467	472	anti-parallel
Strand 3	B	479	484	anti-parallel
Strand 4	B	489	495	anti-parallel

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There are 8 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	511	519	first strand
Strand 2	B	522	530	anti-parallel
Strand 3	B	574	578	anti-parallel
Strand 4	B	540	546	parallel
Strand 5	B	619	629	parallel
Strand 6	B	649	653	parallel
Strand 7	B	699	705	parallel
Strand 8	B	731	735	parallel

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There are 4 strands in AA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	61	62	first strand
Strand 2	C	67	71	anti-parallel
Strand 3	C	76	80	anti-parallel
Strand 4	C	86	90	anti-parallel

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There are 4 strands in AB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	104	107	first strand
Strand 2	C	113	122	anti-parallel
Strand 3	C	128	136	anti-parallel
Strand 4	C	141	142	anti-parallel

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There are 4 strands in AC sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	154	157	first strand
Strand 2	C	164	168	anti-parallel
Strand 3	C	171	175	anti-parallel
Strand 4	C	183	184	anti-parallel

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There are 3 strands in AD sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	194	196	first strand
Strand 2	C	222	229	anti-parallel
Strand 3	C	214	216	anti-parallel

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There are 4 strands in AE sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	194	196	first strand
Strand 2	C	222	229	anti-parallel
Strand 3	C	265	272	anti-parallel
Strand 4	C	284	287	anti-parallel

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There are 2 strands in AF sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	235	240	first strand
Strand 2	C	250	255	anti-parallel

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There are 4 strands in AG sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	298	307	first strand
Strand 2	C	310	317	anti-parallel
Strand 3	C	322	330	anti-parallel
Strand 4	C	337	339	anti-parallel

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There are 4 strands in AH sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	298	307	first strand
Strand 2	C	310	317	anti-parallel
Strand 3	C	322	330	anti-parallel
Strand 4	C	345	348	anti-parallel

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There are 4 strands in AI sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	363	364	first strand
Strand 2	C	370	376	anti-parallel
Strand 3	C	382	388	anti-parallel
Strand 4	C	395	396	anti-parallel

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There are 4 strands in AJ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	404	410	first strand
Strand 2	C	414	419	anti-parallel
Strand 3	C	430	435	anti-parallel
Strand 4	C	442	444	anti-parallel

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There are 4 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	457	461	first strand
Strand 2	C	467	472	anti-parallel
Strand 3	C	479	484	anti-parallel
Strand 4	C	489	495	anti-parallel

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There are 8 strands in AL sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	511	519	first strand
Strand 2	C	522	530	anti-parallel
Strand 3	C	574	578	anti-parallel
Strand 4	C	540	546	parallel
Strand 5	C	619	629	parallel
Strand 6	C	649	653	parallel
Strand 7	C	699	705	parallel
Strand 8	C	731	735	parallel

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There are 4 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	60	62	first strand
Strand 2	D	67	71	anti-parallel
Strand 3	D	76	80	anti-parallel
Strand 4	D	86	90	anti-parallel

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There are 4 strands in AN sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	104	107	first strand
Strand 2	D	113	122	anti-parallel
Strand 3	D	128	136	anti-parallel
Strand 4	D	141	142	anti-parallel

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There are 4 strands in AO sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	154	157	first strand
Strand 2	D	164	168	anti-parallel
Strand 3	D	171	175	anti-parallel
Strand 4	D	183	184	anti-parallel

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There are 3 strands in AP sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	194	196	first strand
Strand 2	D	222	229	anti-parallel
Strand 3	D	214	216	anti-parallel

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There are 4 strands in AQ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	194	196	first strand
Strand 2	D	222	229	anti-parallel
Strand 3	D	265	272	anti-parallel
Strand 4	D	285	287	anti-parallel

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There are 2 strands in AR sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	235	240	first strand
Strand 2	D	250	255	anti-parallel

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There are 4 strands in AS sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	298	305	first strand
Strand 2	D	310	317	anti-parallel
Strand 3	D	322	330	anti-parallel
Strand 4	D	337	338	anti-parallel

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There are 4 strands in AT sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	298	305	first strand
Strand 2	D	310	317	anti-parallel
Strand 3	D	322	330	anti-parallel
Strand 4	D	345	348	anti-parallel

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There are 4 strands in AU sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	363	364	first strand
Strand 2	D	370	376	anti-parallel
Strand 3	D	382	388	anti-parallel
Strand 4	D	395	396	anti-parallel

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There are 4 strands in AV sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	404	410	first strand
Strand 2	D	414	419	anti-parallel
Strand 3	D	430	435	anti-parallel
Strand 4	D	442	444	anti-parallel

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There are 4 strands in AW sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	457	461	first strand
Strand 2	D	467	472	anti-parallel
Strand 3	D	479	484	anti-parallel
Strand 4	D	489	495	anti-parallel

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There are 8 strands in AX sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	511	519	first strand
Strand 2	D	522	530	anti-parallel
Strand 3	D	574	578	anti-parallel
Strand 4	D	540	545	parallel
Strand 5	D	619	629	parallel
Strand 6	D	649	653	parallel
Strand 7	D	699	705	parallel
Strand 8	D	731	735	parallel

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Please mail questions/suggestions concerning this page to Vladimir.Sobolev@weizmann. ac.il

Analysis of interatomic Contacts of Structural Units in PDB entry: 2I78

Analysis of interatomic Contacts of Structural Units in PDB entry:
2I78