Analysis of interatomic Contacts of Structural Units in PDB entry:
3C2U

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 3C2U entry

There are 3 chains in PDB entry 3C2U (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	MET 1	ASP 538
B	MET 1	LEU 537
C	MET 1	SER 135

There are 8 helices in PDB entry 3C2U. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	279	284	Right-handed alpha
Helix 2	2	A	495	497	Right-handed 310
Helix 3	3	B	279	284	Right-handed alpha
Helix 4	4	B	495	497	Right-handed 310
Helix 5	5	C	279	284	Right-handed alpha
Helix 6	6	C	495	497	Right-handed 310
Helix 7	7	D	279	284	Right-handed alpha
Helix 8	8	D	495	497	Right-handed 310

There are 48 sheets in PDB entry 3C2U. 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,

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	3	4	first strand
Strand 2	A	315	316	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	16	20	first strand
Strand 2	A	23	28	anti-parallel
Strand 3	A	38	42	anti-parallel
Strand 4	A	49	52	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	A	346	348	anti-parallel
Strand 3	A	381	386	anti-parallel
Strand 4	A	512	519	anti-parallel
Strand 5	A	407	416	anti-parallel
Strand 6	A	419	428	anti-parallel
Strand 7	A	432	441	anti-parallel
Strand 8	A	444	446	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	A	346	348	anti-parallel
Strand 3	A	381	386	anti-parallel
Strand 4	A	512	519	anti-parallel
Strand 5	A	407	416	anti-parallel
Strand 6	A	419	428	anti-parallel
Strand 7	A	432	441	anti-parallel
Strand 8	A	454	455	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	71	72	first strand
Strand 2	A	83	91	anti-parallel
Strand 3	A	76	80	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	71	72	first strand
Strand 2	A	83	91	anti-parallel
Strand 3	A	101	108	anti-parallel
Strand 4	A	119	122	anti-parallel

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There are 4 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	129	132	first strand
Strand 2	A	138	145	anti-parallel
Strand 3	A	154	163	anti-parallel
Strand 4	A	168	169	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	129	132	first strand
Strand 2	A	138	145	anti-parallel
Strand 3	A	154	163	anti-parallel
Strand 4	A	174	177	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	186	193	first strand
Strand 2	A	196	203	anti-parallel
Strand 3	A	211	217	anti-parallel
Strand 4	A	225	226	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	244	253	first strand
Strand 2	A	259	266	anti-parallel
Strand 3	A	291	300	anti-parallel
Strand 4	A	303	306	anti-parallel

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There are 6 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	333	334	first strand
Strand 2	A	526	536	anti-parallel
Strand 3	A	391	399	anti-parallel
Strand 4	A	463	470	anti-parallel
Strand 5	A	473	479	anti-parallel
Strand 6	A	486	487	anti-parallel

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There are 7 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	357	358	first strand
Strand 2	A	366	369	anti-parallel
Strand 3	A	526	536	anti-parallel
Strand 4	A	391	399	anti-parallel
Strand 5	A	463	470	anti-parallel
Strand 6	A	473	479	anti-parallel
Strand 7	A	492	493	anti-parallel

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There are 2 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	3	4	first strand
Strand 2	B	315	316	anti-parallel

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There are 4 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	16	20	first strand
Strand 2	B	23	28	anti-parallel
Strand 3	B	38	42	anti-parallel
Strand 4	B	49	52	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	B	346	348	anti-parallel
Strand 3	B	381	386	anti-parallel
Strand 4	B	512	519	anti-parallel
Strand 5	B	407	416	anti-parallel
Strand 6	B	419	428	anti-parallel
Strand 7	B	432	441	anti-parallel
Strand 8	B	444	446	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	B	346	348	anti-parallel
Strand 3	B	381	386	anti-parallel
Strand 4	B	512	519	anti-parallel
Strand 5	B	407	416	anti-parallel
Strand 6	B	419	428	anti-parallel
Strand 7	B	432	441	anti-parallel
Strand 8	B	454	455	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	71	72	first strand
Strand 2	B	83	91	anti-parallel
Strand 3	B	76	80	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	71	72	first strand
Strand 2	B	83	91	anti-parallel
Strand 3	B	101	108	anti-parallel
Strand 4	B	119	122	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	129	132	first strand
Strand 2	B	138	145	anti-parallel
Strand 3	B	154	163	anti-parallel
Strand 4	B	168	169	anti-parallel

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There are 4 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	129	132	first strand
Strand 2	B	138	145	anti-parallel
Strand 3	B	154	163	anti-parallel
Strand 4	B	174	177	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	186	193	first strand
Strand 2	B	196	203	anti-parallel
Strand 3	B	211	217	anti-parallel
Strand 4	B	225	226	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	244	253	first strand
Strand 2	B	259	266	anti-parallel
Strand 3	B	291	300	anti-parallel
Strand 4	B	303	306	anti-parallel

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There are 6 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	333	334	first strand
Strand 2	B	526	536	anti-parallel
Strand 3	B	391	399	anti-parallel
Strand 4	B	463	470	anti-parallel
Strand 5	B	473	479	anti-parallel
Strand 6	B	486	487	anti-parallel

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There are 7 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	357	358	first strand
Strand 2	B	366	369	anti-parallel
Strand 3	B	526	536	anti-parallel
Strand 4	B	391	399	anti-parallel
Strand 5	B	463	470	anti-parallel
Strand 6	B	473	479	anti-parallel
Strand 7	B	492	493	anti-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	3	4	first strand
Strand 2	C	315	316	anti-parallel

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There are 4 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	16	20	first strand
Strand 2	C	23	28	anti-parallel
Strand 3	C	38	42	anti-parallel
Strand 4	C	49	52	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	C	346	348	anti-parallel
Strand 3	C	381	386	anti-parallel
Strand 4	C	512	519	anti-parallel
Strand 5	C	407	416	anti-parallel
Strand 6	C	419	428	anti-parallel
Strand 7	C	432	441	anti-parallel
Strand 8	C	444	446	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	C	346	348	anti-parallel
Strand 3	C	381	386	anti-parallel
Strand 4	C	512	519	anti-parallel
Strand 5	C	407	416	anti-parallel
Strand 6	C	419	428	anti-parallel
Strand 7	C	432	441	anti-parallel
Strand 8	C	454	455	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	71	72	first strand
Strand 2	C	83	91	anti-parallel
Strand 3	C	76	80	anti-parallel

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There are 4 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	71	72	first strand
Strand 2	C	83	91	anti-parallel
Strand 3	C	101	108	anti-parallel
Strand 4	C	119	122	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	129	132	first strand
Strand 2	C	138	145	anti-parallel
Strand 3	C	154	163	anti-parallel
Strand 4	C	168	169	anti-parallel

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There are 4 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	129	132	first strand
Strand 2	C	138	145	anti-parallel
Strand 3	C	154	163	anti-parallel
Strand 4	C	174	177	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	186	193	first strand
Strand 2	C	196	203	anti-parallel
Strand 3	C	211	217	anti-parallel
Strand 4	C	225	226	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	244	253	first strand
Strand 2	C	259	266	anti-parallel
Strand 3	C	291	300	anti-parallel
Strand 4	C	303	306	anti-parallel

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There are 6 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	333	334	first strand
Strand 2	C	526	536	anti-parallel
Strand 3	C	391	399	anti-parallel
Strand 4	C	462	470	anti-parallel
Strand 5	C	473	479	anti-parallel
Strand 6	C	486	487	anti-parallel

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There are 7 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	357	358	first strand
Strand 2	C	366	369	anti-parallel
Strand 3	C	526	536	anti-parallel
Strand 4	C	391	399	anti-parallel
Strand 5	C	462	470	anti-parallel
Strand 6	C	473	479	anti-parallel
Strand 7	C	492	493	anti-parallel

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There are 2 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	3	4	first strand
Strand 2	D	315	316	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	16	20	first strand
Strand 2	D	23	28	anti-parallel
Strand 3	D	38	42	anti-parallel
Strand 4	D	49	52	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	D	346	348	anti-parallel
Strand 3	D	381	386	anti-parallel
Strand 4	D	512	519	anti-parallel
Strand 5	D	407	416	anti-parallel
Strand 6	D	419	428	anti-parallel
Strand 7	D	432	441	anti-parallel
Strand 8	D	444	446	anti-parallel

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There are 8 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	33	34	first strand
Strand 2	D	346	348	anti-parallel
Strand 3	D	381	386	anti-parallel
Strand 4	D	512	519	anti-parallel
Strand 5	D	407	416	anti-parallel
Strand 6	D	419	428	anti-parallel
Strand 7	D	432	441	anti-parallel
Strand 8	D	454	455	anti-parallel

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There are 3 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	71	72	first strand
Strand 2	D	83	91	anti-parallel
Strand 3	D	76	80	anti-parallel

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There are 4 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	71	72	first strand
Strand 2	D	83	91	anti-parallel
Strand 3	D	101	108	anti-parallel
Strand 4	D	119	122	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	129	132	first strand
Strand 2	D	138	145	anti-parallel
Strand 3	D	154	163	anti-parallel
Strand 4	D	168	169	anti-parallel

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There are 4 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	129	132	first strand
Strand 2	D	138	145	anti-parallel
Strand 3	D	154	163	anti-parallel
Strand 4	D	174	177	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	186	193	first strand
Strand 2	D	196	203	anti-parallel
Strand 3	D	211	217	anti-parallel
Strand 4	D	225	226	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	244	253	first strand
Strand 2	D	259	266	anti-parallel
Strand 3	D	291	300	anti-parallel
Strand 4	D	303	306	anti-parallel

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There are 6 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	333	334	first strand
Strand 2	D	526	536	anti-parallel
Strand 3	D	391	399	anti-parallel
Strand 4	D	463	470	anti-parallel
Strand 5	D	473	479	anti-parallel
Strand 6	D	486	487	anti-parallel

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There are 7 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	357	358	first strand
Strand 2	D	366	369	anti-parallel
Strand 3	D	526	536	anti-parallel
Strand 4	D	391	399	anti-parallel
Strand 5	D	463	470	anti-parallel
Strand 6	D	473	479	anti-parallel
Strand 7	D	492	493	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: 3C2U

Analysis of interatomic Contacts of Structural Units in PDB entry:
3C2U