Analysis of interatomic Contacts of Structural Units in PDB entry:
1F4H

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 1F4H entry

There are 4 chains in PDB entry 1F4H (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	ILE 3	LYS 1023
B	ILE 3	LYS 1023
C	ILE 3	LYS 1023
D	ILE 3	LYS 1023

There are 98 helices in PDB entry 1F4H. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	6	11	Right-handed alpha
Helix 2	2	A	14	18	Right-handed 310
Helix 3	3	A	38	44	Right-handed alpha
Helix 4	4	A	65	69	Right-handed 310
Helix 5	5	A	70	75	Right-handed 310
Helix 6	6	A	89	94	Right-handed 310
Helix 7	7	A	131	136	Right-handed alpha
Helix 8	8	A	192	197	Right-handed 310
Helix 9	9	A	368	382	Right-handed alpha
Helix 10	10	A	396	406	Right-handed alpha
Helix 11	11	A	429	431	Right-handed 310
Helix 12	12	A	432	448	Right-handed alpha
Helix 13	13	A	465	479	Right-handed alpha
Helix 14	14	A	519	524	Right-handed alpha
Helix 15	15	A	548	559	Right-handed alpha
Helix 16	16	A	598	603	Right-handed 310
Helix 17	17	A	615	624	Right-handed alpha
Helix 18	18	A	789	794	Right-handed alpha
Helix 19	19	A	805	814	Right-handed alpha
Helix 20	20	A	815	818	Right-handed 310
Helix 21	21	A	923	926	Right-handed 310
Helix 22	22	A	963	970	Right-handed alpha
Helix 23	23	A	972	976	Right-handed 310
Helix 24	24	A	1004	1008	Right-handed 310
Helix 25	25	B	6	11	Right-handed alpha
Helix 26	26	B	12	13	Right-handed 310
Helix 27	27	B	14	18	Right-handed 310
Helix 28	28	B	38	45	Right-handed alpha
Helix 29	29	B	65	69	Right-handed 310
Helix 30	30	B	70	75	Right-handed 310
Helix 31	31	B	91	94	Right-handed 310
Helix 32	32	B	131	136	Right-handed alpha
Helix 33	33	B	193	198	Right-handed alpha
Helix 34	34	B	368	382	Right-handed alpha
Helix 35	35	B	396	406	Right-handed alpha
Helix 36	36	B	429	431	Right-handed 310
Helix 37	37	B	432	448	Right-handed alpha
Helix 38	38	B	465	479	Right-handed alpha
Helix 39	39	B	519	524	Right-handed alpha
Helix 40	40	B	548	559	Right-handed alpha
Helix 41	41	B	598	603	Right-handed 310
Helix 42	42	B	615	624	Right-handed alpha
Helix 43	43	B	789	794	Right-handed alpha
Helix 44	44	B	805	812	Right-handed alpha
Helix 45	45	B	923	926	Right-handed 310
Helix 46	46	B	963	970	Right-handed alpha
Helix 47	47	B	972	976	Right-handed 310
Helix 48	48	B	1004	1008	Right-handed 310
Helix 49	49	C	6	13	Right-handed alpha
Helix 50	50	C	14	18	Right-handed 310
Helix 51	51	C	38	44	Right-handed alpha
Helix 52	52	C	65	69	Right-handed 310
Helix 53	53	C	70	75	Right-handed 310
Helix 54	54	C	131	136	Right-handed alpha
Helix 55	55	C	192	196	Right-handed 310
Helix 56	56	C	368	382	Right-handed alpha
Helix 57	57	C	395	406	Right-handed alpha
Helix 58	58	C	422	426	Right-handed 310
Helix 59	59	C	432	448	Right-handed alpha
Helix 60	60	C	465	479	Right-handed alpha
Helix 61	61	C	487	491	Right-handed 310
Helix 62	62	C	519	525	Right-handed alpha
Helix 63	63	C	548	559	Right-handed alpha
Helix 64	64	C	598	603	Right-handed 310
Helix 65	65	C	615	624	Right-handed alpha
Helix 66	66	C	789	794	Right-handed alpha
Helix 67	67	C	805	812	Right-handed alpha
Helix 68	68	C	923	925	Right-handed 310
Helix 69	69	C	963	970	Right-handed alpha
Helix 70	70	C	972	976	Right-handed 310
Helix 71	71	C	1004	1008	Right-handed 310
Helix 72	72	D	6	13	Right-handed alpha
Helix 73	73	D	14	18	Right-handed 310
Helix 74	74	D	38	44	Right-handed alpha
Helix 75	75	D	65	69	Right-handed 310
Helix 76	76	D	70	70	Right-handed 310
Helix 77	77	D	71	76	Right-handed alpha
Helix 78	78	D	91	93	Right-handed 310
Helix 79	79	D	130	136	Right-handed alpha
Helix 80	80	D	192	197	Right-handed 310
Helix 81	81	D	368	382	Right-handed alpha
Helix 82	82	D	395	406	Right-handed alpha
Helix 83	83	D	422	426	Right-handed 310
Helix 84	84	D	429	431	Right-handed 310
Helix 85	85	D	432	448	Right-handed alpha
Helix 86	86	D	465	479	Right-handed alpha
Helix 87	87	D	487	491	Right-handed 310
Helix 88	88	D	519	525	Right-handed alpha
Helix 89	89	D	548	559	Right-handed alpha
Helix 90	90	D	598	603	Right-handed 310
Helix 91	91	D	615	624	Right-handed alpha
Helix 92	92	D	789	794	Right-handed alpha
Helix 93	93	D	805	814	Right-handed alpha
Helix 94	94	D	815	818	Right-handed 310
Helix 95	95	D	923	926	Right-handed 310
Helix 96	96	D	963	970	Right-handed alpha
Helix 97	97	D	972	976	Right-handed 310
Helix 98	98	D	1004	1008	Right-handed 310

There are 54 sheets in PDB entry 1F4H. 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, AY, AZ, BA, BB,

There are 7 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	23	24	first strand
Strand 2	A	157	162	anti-parallel
Strand 3	A	149	154	anti-parallel
Strand 4	A	180	189	anti-parallel
Strand 5	A	120	129	anti-parallel
Strand 6	A	56	63	anti-parallel
Strand 7	A	82	86	anti-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	51	53	first strand
Strand 2	A	212	217	anti-parallel
Strand 3	A	138	143	anti-parallel
Strand 4	A	169	172	anti-parallel

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There are 2 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	99	101	first strand
Strand 2	A	202	204	anti-parallel

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There are 3 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	221	231	first strand
Strand 2	A	237	247	anti-parallel
Strand 3	A	288	296	anti-parallel

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There are 4 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	265	272	first strand
Strand 2	A	254	262	anti-parallel
Strand 3	A	308	317	anti-parallel
Strand 4	A	322	331	anti-parallel

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There are 3 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	335	338	first strand
Strand 2	A	341	344	anti-parallel
Strand 3	A	347	348	anti-parallel

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There are 7 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	484	485	first strand
Strand 2	A	453	457	parallel
Strand 3	A	408	412	parallel
Strand 4	A	386	388	parallel
Strand 5	A	351	355	parallel
Strand 6	A	562	567	parallel
Strand 7	A	533	538	parallel

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There are 2 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	575	578	first strand
Strand 2	A	584	587	anti-parallel

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There are 3 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	627	632	first strand
Strand 2	A	635	640	anti-parallel
Strand 3	A	677	681	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	661	669	first strand
Strand 2	A	651	658	anti-parallel
Strand 3	A	694	702	anti-parallel
Strand 4	A	713	721	anti-parallel

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There are 5 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	739	742	first strand
Strand 2	A	746	751	anti-parallel
Strand 3	A	754	759	anti-parallel
Strand 4	A	765	770	anti-parallel
Strand 5	A	773	774	anti-parallel

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There are 6 strands in L sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	23	24	first strand
Strand 2	B	157	163	anti-parallel
Strand 3	B	149	154	anti-parallel
Strand 4	B	180	189	anti-parallel
Strand 5	B	120	129	anti-parallel
Strand 6	B	62	63	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	51	53	first strand
Strand 2	B	212	217	anti-parallel
Strand 3	B	138	143	anti-parallel
Strand 4	B	169	172	anti-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	56	60	first strand
Strand 2	B	82	86	anti-parallel

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There are 2 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	88	89	first strand
Strand 2	B	207	208	anti-parallel

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There are 2 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	99	101	first strand
Strand 2	B	202	204	anti-parallel

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There are 3 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	221	231	first strand
Strand 2	B	237	247	anti-parallel
Strand 3	B	288	296	anti-parallel

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There are 4 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	265	273	first strand
Strand 2	B	254	262	anti-parallel
Strand 3	B	308	317	anti-parallel
Strand 4	B	322	331	anti-parallel

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There are 3 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	335	338	first strand
Strand 2	B	341	344	anti-parallel
Strand 3	B	347	348	anti-parallel

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There are 7 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	484	485	first strand
Strand 2	B	453	457	parallel
Strand 3	B	408	412	parallel
Strand 4	B	386	388	parallel
Strand 5	B	351	355	parallel
Strand 6	B	562	568	parallel
Strand 7	B	533	540	parallel

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There are 2 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	575	578	first strand
Strand 2	B	584	587	anti-parallel

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There are 3 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	627	632	first strand
Strand 2	B	635	640	anti-parallel
Strand 3	B	677	681	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	661	669	first strand
Strand 2	B	651	658	anti-parallel
Strand 3	B	692	702	anti-parallel
Strand 4	B	713	725	anti-parallel

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There are 5 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	739	741	first strand
Strand 2	B	746	751	anti-parallel
Strand 3	B	754	759	anti-parallel
Strand 4	B	767	770	anti-parallel
Strand 5	B	773	774	anti-parallel

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There are 9 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	822	829	first strand
Strand 2	B	833	843	anti-parallel
Strand 3	B	848	859	anti-parallel
Strand 4	B	863	872	anti-parallel
Strand 5	B	1013	1021	anti-parallel
Strand 6	B	949	960	anti-parallel
Strand 7	B	938	946	anti-parallel
Strand 8	B	894	901	anti-parallel
Strand 9	B	914	921	anti-parallel

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There are 9 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	822	829	first strand
Strand 2	B	833	843	anti-parallel
Strand 3	B	848	859	anti-parallel
Strand 4	B	863	872	anti-parallel
Strand 5	B	1013	1021	anti-parallel
Strand 6	B	949	960	anti-parallel
Strand 7	B	982	990	anti-parallel
Strand 8	B	881	888	anti-parallel
Strand 9	B	781	783	anti-parallel

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There are 7 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	23	24	first strand
Strand 2	C	157	163	anti-parallel
Strand 3	C	149	154	anti-parallel
Strand 4	C	180	189	anti-parallel
Strand 5	C	120	129	anti-parallel
Strand 6	C	56	63	anti-parallel
Strand 7	C	82	86	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	51	53	first strand
Strand 2	C	212	217	anti-parallel
Strand 3	C	138	143	anti-parallel
Strand 4	C	169	172	anti-parallel

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There are 2 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	99	101	first strand
Strand 2	C	202	204	anti-parallel

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There are 2 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	146	147	first strand
Strand 2	C	207	208	anti-parallel

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There are 3 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	288	296	first strand
Strand 2	C	237	247	anti-parallel
Strand 3	C	221	226	anti-parallel

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There are 3 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	288	296	first strand
Strand 2	C	237	247	anti-parallel
Strand 3	C	229	231	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	265	273	first strand
Strand 2	C	254	262	anti-parallel
Strand 3	C	309	317	anti-parallel
Strand 4	C	322	330	anti-parallel

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There are 3 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	335	338	first strand
Strand 2	C	341	344	anti-parallel
Strand 3	C	347	348	anti-parallel

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There are 7 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	484	485	first strand
Strand 2	C	453	457	parallel
Strand 3	C	408	412	parallel
Strand 4	C	386	388	parallel
Strand 5	C	351	355	parallel
Strand 6	C	562	567	parallel
Strand 7	C	533	538	parallel

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There are 2 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	575	578	first strand
Strand 2	C	584	587	anti-parallel

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There are 3 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	627	632	first strand
Strand 2	C	635	640	anti-parallel
Strand 3	C	677	681	anti-parallel

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There are 4 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	661	669	first strand
Strand 2	C	651	658	anti-parallel
Strand 3	C	692	702	anti-parallel
Strand 4	C	713	725	anti-parallel

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There are 5 strands in AM sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	739	741	first strand
Strand 2	C	747	751	anti-parallel
Strand 3	C	754	758	anti-parallel
Strand 4	C	765	770	anti-parallel
Strand 5	C	773	774	anti-parallel

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There are 7 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	23	24	first strand
Strand 2	D	157	162	anti-parallel
Strand 3	D	149	154	anti-parallel
Strand 4	D	180	189	anti-parallel
Strand 5	D	120	129	anti-parallel
Strand 6	D	56	63	anti-parallel
Strand 7	D	82	86	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	51	53	first strand
Strand 2	D	212	217	anti-parallel
Strand 3	D	138	143	anti-parallel
Strand 4	D	169	172	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	88	89	first strand
Strand 2	D	207	208	anti-parallel
Strand 3	D	146	147	anti-parallel

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There are 2 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	99	101	first strand
Strand 2	D	202	204	anti-parallel

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There are 3 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	221	231	first strand
Strand 2	D	237	247	anti-parallel
Strand 3	D	288	296	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	265	273	first strand
Strand 2	D	254	262	anti-parallel
Strand 3	D	309	317	anti-parallel
Strand 4	D	322	330	anti-parallel

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There are 3 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	335	338	first strand
Strand 2	D	341	344	anti-parallel
Strand 3	D	347	348	anti-parallel

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There are 7 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	484	485	first strand
Strand 2	D	453	457	parallel
Strand 3	D	408	412	parallel
Strand 4	D	386	388	parallel
Strand 5	D	351	355	parallel
Strand 6	D	562	567	parallel
Strand 7	D	533	535	parallel

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There are 2 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	575	578	first strand
Strand 2	D	584	587	anti-parallel

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There are 3 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	627	632	first strand
Strand 2	D	635	640	anti-parallel
Strand 3	D	677	681	anti-parallel

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There are 4 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	713	725	first strand
Strand 2	D	692	702	anti-parallel
Strand 3	D	651	658	anti-parallel
Strand 4	D	661	664	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	713	725	first strand
Strand 2	D	692	702	anti-parallel
Strand 3	D	651	658	anti-parallel
Strand 4	D	668	669	anti-parallel

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There are 5 strands in AZ sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	739	741	first strand
Strand 2	D	746	751	anti-parallel
Strand 3	D	754	759	anti-parallel
Strand 4	D	765	770	anti-parallel
Strand 5	D	773	774	anti-parallel

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There are 9 strands in BA sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	819	829	first strand
Strand 2	D	833	844	anti-parallel
Strand 3	D	847	859	anti-parallel
Strand 4	D	863	872	anti-parallel
Strand 5	D	1013	1022	anti-parallel
Strand 6	D	949	960	anti-parallel
Strand 7	D	938	946	anti-parallel
Strand 8	D	894	901	anti-parallel
Strand 9	D	914	921	anti-parallel

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There are 9 strands in BB sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	819	829	first strand
Strand 2	D	833	844	anti-parallel
Strand 3	D	847	859	anti-parallel
Strand 4	D	863	872	anti-parallel
Strand 5	D	1013	1022	anti-parallel
Strand 6	D	949	960	anti-parallel
Strand 7	D	982	990	anti-parallel
Strand 8	D	881	888	anti-parallel
Strand 9	D	776	783	anti-parallel

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Analysis of interatomic Contacts of Structural Units in PDB entry: 1F4H

Analysis of interatomic Contacts of Structural Units in PDB entry:
1F4H