Analysis of interatomic Contacts of Structural Units in PDB entry:
3RMA

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 3RMA entry

There are 13 chains in PDB entry 3RMA (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	PHE 903
B	MET 1	PHE 903
C	MET 1	ASP 899
D	MET 1	PHE 898
E	G 5	G 18
F	G 101	A 114
G	A 6	G 18
H	G 101	C 113
I	G 2	A 3
I	G 5	G 18
J	G 101	A 114
K	A 7	G 18
L	G 101	C 113

There are140 helices in PDB entry 3RMA. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	64	79	Right-handed alpha
Helix 2	2	A	87	97	Right-handed alpha
Helix 3	3	A	104	108	Right-handed 310
Helix 4	4	A	163	169	Right-handed alpha
Helix 5	5	A	170	174	Right-handed 310
Helix 6	6	A	193	208	Right-handed alpha
Helix 7	7	A	221	234	Right-handed alpha
Helix 8	8	A	235	240	Right-handed alpha
Helix 9	9	A	241	243	Right-handed 310
Helix 10	10	A	273	281	Right-handed alpha
Helix 11	11	A	289	299	Right-handed alpha
Helix 12	12	A	308	316	Right-handed alpha
Helix 13	13	A	316	339	Right-handed alpha
Helix 14	14	A	339	352	Right-handed alpha
Helix 15	15	A	354	359	Right-handed 310
Helix 16	16	A	360	376	Right-handed alpha
Helix 17	17	A	414	424	Right-handed alpha
Helix 18	18	A	426	428	Right-handed 310
Helix 19	19	A	438	444	Right-handed alpha
Helix 20	20	A	469	501	Right-handed alpha
Helix 21	21	A	537	572	Right-handed alpha
Helix 22	22	A	579	608	Right-handed alpha
Helix 23	23	A	629	637	Right-handed alpha
Helix 24	24	A	638	641	Right-handed 310
Helix 25	25	A	643	658	Right-handed alpha
Helix 26	26	A	658	674	Right-handed alpha
Helix 27	27	A	730	734	Right-handed 310
Helix 28	28	A	738	755	Right-handed alpha
Helix 29	29	A	756	770	Right-handed alpha
Helix 30	30	A	771	774	Right-handed 310
Helix 31	31	A	802	816	Right-handed alpha
Helix 32	32	A	858	866	Right-handed alpha
Helix 33	33	A	867	876	Right-handed alpha
Helix 34	34	A	876	887	Right-handed alpha
Helix 35	35	A	896	901	Right-handed 310
Helix 36	36	B	42	46	Right-handed 310
Helix 37	37	B	64	79	Right-handed alpha
Helix 38	38	B	87	97	Right-handed alpha
Helix 39	39	B	104	108	Right-handed 310
Helix 40	40	B	163	169	Right-handed alpha
Helix 41	41	B	179	184	Right-handed alpha
Helix 42	42	B	196	208	Right-handed alpha
Helix 43	43	B	221	235	Right-handed alpha
Helix 44	44	B	238	243	Right-handed 310
Helix 45	45	B	272	281	Right-handed alpha
Helix 46	46	B	289	298	Right-handed alpha
Helix 47	47	B	316	339	Right-handed alpha
Helix 48	48	B	339	352	Right-handed alpha
Helix 49	49	B	354	359	Right-handed 310
Helix 50	50	B	360	376	Right-handed alpha
Helix 51	51	B	414	424	Right-handed alpha
Helix 52	52	B	426	428	Right-handed 310
Helix 53	53	B	438	444	Right-handed alpha
Helix 54	54	B	469	494	Right-handed alpha
Helix 55	55	B	500	504	Right-handed 310
Helix 56	56	B	540	571	Right-handed alpha
Helix 57	57	B	579	608	Right-handed alpha
Helix 58	58	B	629	634	Right-handed alpha
Helix 59	59	B	635	641	Right-handed 310
Helix 60	60	B	643	658	Right-handed alpha
Helix 61	61	B	658	674	Right-handed alpha
Helix 62	62	B	738	755	Right-handed alpha
Helix 63	63	B	756	772	Right-handed alpha
Helix 64	64	B	787	792	Right-handed alpha
Helix 65	65	B	804	815	Right-handed alpha
Helix 66	66	B	869	876	Right-handed alpha
Helix 67	67	B	876	888	Right-handed alpha
Helix 68	68	B	897	901	Right-handed 310
Helix 69	69	C	42	46	Right-handed 310
Helix 70	70	C	64	78	Right-handed alpha
Helix 71	71	C	87	97	Right-handed alpha
Helix 72	72	C	165	169	Right-handed 310
Helix 73	73	C	170	174	Right-handed 310
Helix 74	74	C	193	208	Right-handed alpha
Helix 75	75	C	221	235	Right-handed alpha
Helix 76	76	C	235	240	Right-handed alpha
Helix 77	77	C	241	243	Right-handed 310
Helix 78	78	C	272	282	Right-handed alpha
Helix 79	79	C	289	298	Right-handed alpha
Helix 80	80	C	309	313	Right-handed 310
Helix 81	81	C	316	339	Right-handed alpha
Helix 82	82	C	339	352	Right-handed alpha
Helix 83	83	C	354	359	Right-handed 310
Helix 84	84	C	360	376	Right-handed alpha
Helix 85	85	C	414	423	Right-handed alpha
Helix 86	86	C	426	428	Right-handed 310
Helix 87	87	C	438	444	Right-handed alpha
Helix 88	88	C	469	495	Right-handed alpha
Helix 89	89	C	523	530	Right-handed alpha
Helix 90	90	C	534	542	Right-handed alpha
Helix 91	91	C	542	571	Right-handed alpha
Helix 92	92	C	579	610	Right-handed alpha
Helix 93	93	C	629	637	Right-handed alpha
Helix 94	94	C	638	641	Right-handed 310
Helix 95	95	C	643	658	Right-handed alpha
Helix 96	96	C	658	674	Right-handed alpha
Helix 97	97	C	730	734	Right-handed 310
Helix 98	98	C	738	755	Right-handed alpha
Helix 99	99	C	756	771	Right-handed alpha
Helix 100	100	C	772	774	Right-handed 310
Helix 101	101	C	788	792	Right-handed 310
Helix 102	102	C	802	816	Right-handed alpha
Helix 103	103	C	855	866	Right-handed alpha
Helix 104	104	C	867	876	Right-handed alpha
Helix 105	105	C	876	888	Right-handed alpha
Helix 106	106	D	64	79	Right-handed alpha
Helix 107	107	D	87	97	Right-handed alpha
Helix 108	108	D	104	108	Right-handed 310
Helix 109	109	D	163	169	Right-handed alpha
Helix 110	110	D	179	184	Right-handed alpha
Helix 111	111	D	193	198	Right-handed alpha
Helix 112	112	D	199	208	Right-handed alpha
Helix 113	113	D	221	231	Right-handed alpha
Helix 114	114	D	235	240	Right-handed alpha
Helix 115	115	D	273	280	Right-handed alpha
Helix 116	116	D	289	298	Right-handed alpha
Helix 117	117	D	311	316	Right-handed alpha
Helix 118	118	D	317	322	Right-handed alpha
Helix 119	119	D	323	339	Right-handed alpha
Helix 120	120	D	339	352	Right-handed alpha
Helix 121	121	D	355	359	Right-handed 310
Helix 122	122	D	360	376	Right-handed alpha
Helix 123	123	D	414	424	Right-handed alpha
Helix 124	124	D	426	428	Right-handed 310
Helix 125	125	D	438	444	Right-handed alpha
Helix 126	126	D	469	494	Right-handed alpha
Helix 127	127	D	525	530	Right-handed alpha
Helix 128	128	D	534	571	Right-handed alpha
Helix 129	129	D	579	610	Right-handed alpha
Helix 130	130	D	629	636	Right-handed alpha
Helix 131	131	D	637	641	Right-handed 310
Helix 132	132	D	643	658	Right-handed alpha
Helix 133	133	D	658	674	Right-handed alpha
Helix 134	134	D	738	754	Right-handed alpha
Helix 135	135	D	756	773	Right-handed alpha
Helix 136	136	D	775	780	Right-handed alpha
Helix 137	137	D	802	812	Right-handed alpha
Helix 138	138	D	858	866	Right-handed alpha
Helix 139	139	D	867	876	Right-handed alpha
Helix 140	140	D	876	888	Right-handed alpha

There are 40 sheets in PDB entry 3RMA. 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,

There are 3 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	4	11	first strand
Strand 2	A	14	20	anti-parallel
Strand 3	A	26	31	anti-parallel

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There are 2 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	36	40	first strand
Strand 2	A	57	61	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	50	51	first strand
Strand 2	A	378	379	parallel

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There are 6 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	186	191	first strand
Strand 2	A	145	151	parallel
Strand 3	A	135	140	anti-parallel
Strand 4	A	110	116	anti-parallel
Strand 5	A	212	215	parallel
Strand 6	A	269	272	parallel

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There are 2 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	153	154	first strand
Strand 2	A	157	158	anti-parallel

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There are 2 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	248	250	first strand
Strand 2	A	263	265	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	402	403	first strand
Strand 2	A	700	704	anti-parallel
Strand 3	A	707	715	anti-parallel
Strand 4	A	683	689	anti-parallel
Strand 5	A	407	412	anti-parallel
Strand 6	A	624	628	anti-parallel
Strand 7	A	617	621	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	402	403	first strand
Strand 2	A	700	704	anti-parallel
Strand 3	A	707	715	anti-parallel
Strand 4	A	718	728	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	430	433	first strand
Strand 2	A	461	463	anti-parallel
Strand 3	A	455	456	anti-parallel

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There are 3 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	781	784	first strand
Strand 2	A	829	832	anti-parallel
Strand 3	A	848	849	anti-parallel

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There are 2 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	792	793	first strand
Strand 2	A	796	797	anti-parallel

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There are 3 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	4	11	first strand
Strand 2	B	14	20	anti-parallel
Strand 3	B	26	31	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	36	40	first strand
Strand 2	B	56	61	anti-parallel
Strand 3	B	49	51	anti-parallel
Strand 4	B	378	379	parallel

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There are 6 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	186	191	first strand
Strand 2	B	145	151	parallel
Strand 3	B	135	140	anti-parallel
Strand 4	B	110	112	anti-parallel
Strand 5	B	212	214	parallel
Strand 6	B	269	270	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	153	154	first strand
Strand 2	B	157	158	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	248	250	first strand
Strand 2	B	263	265	anti-parallel

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There are 7 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	402	404	first strand
Strand 2	B	700	704	anti-parallel
Strand 3	B	707	715	anti-parallel
Strand 4	B	683	689	anti-parallel
Strand 5	B	407	412	anti-parallel
Strand 6	B	624	628	anti-parallel
Strand 7	B	617	621	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	402	404	first strand
Strand 2	B	700	704	anti-parallel
Strand 3	B	707	715	anti-parallel
Strand 4	B	718	728	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	430	433	first strand
Strand 2	B	461	463	anti-parallel
Strand 3	B	455	456	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	782	784	first strand
Strand 2	B	829	831	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	4	11	first strand
Strand 2	C	14	20	anti-parallel
Strand 3	C	26	31	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	36	40	first strand
Strand 2	C	57	61	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	50	51	first strand
Strand 2	C	378	379	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	C	145	148	first strand
Strand 2	C	133	140	anti-parallel
Strand 3	C	110	117	anti-parallel
Strand 4	C	212	214	parallel
Strand 5	C	269	270	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	248	250	first strand
Strand 2	C	263	265	anti-parallel

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There are 7 strands in Z sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	402	403	first strand
Strand 2	C	700	704	anti-parallel
Strand 3	C	707	715	anti-parallel
Strand 4	C	683	689	anti-parallel
Strand 5	C	407	412	anti-parallel
Strand 6	C	624	628	anti-parallel
Strand 7	C	617	621	anti-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	402	403	first strand
Strand 2	C	700	704	anti-parallel
Strand 3	C	707	715	anti-parallel
Strand 4	C	718	728	anti-parallel

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There are 3 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	430	432	first strand
Strand 2	C	462	463	anti-parallel
Strand 3	C	455	456	anti-parallel

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There are 3 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	781	784	first strand
Strand 2	C	829	834	anti-parallel
Strand 3	C	845	849	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	D	4	5	first strand
Strand 2	D	19	20	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	D	57	58	first strand
Strand 2	D	38	40	anti-parallel
Strand 3	D	82	83	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	D	50	51	first strand
Strand 2	D	378	379	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	113	115	first strand
Strand 2	D	136	138	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	150	151	first strand
Strand 2	D	190	191	parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	214	215	first strand
Strand 2	D	271	272	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	D	248	249	first strand
Strand 2	D	264	265	anti-parallel

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There are 7 strands in AK sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	402	403	first strand
Strand 2	D	700	704	anti-parallel
Strand 3	D	707	715	anti-parallel
Strand 4	D	683	689	anti-parallel
Strand 5	D	407	412	anti-parallel
Strand 6	D	624	628	anti-parallel
Strand 7	D	617	621	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	D	402	403	first strand
Strand 2	D	700	704	anti-parallel
Strand 3	D	707	715	anti-parallel
Strand 4	D	718	728	anti-parallel

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There are 3 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	430	432	first strand
Strand 2	D	461	463	anti-parallel
Strand 3	D	455	457	anti-parallel

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There are 3 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	781	785	first strand
Strand 2	D	828	834	anti-parallel
Strand 3	D	845	849	anti-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: 3RMA

Analysis of interatomic Contacts of Structural Units in PDB entry:
3RMA