Analysis of interatomic Contacts of Structural Units in PDB entry:
2R1D

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 2R1D entry

There are 10 chains in PDB entry 2R1D (CSU analysis of residue contacts immediately below table)

Chain ID	Initial residue	Terminal residue
A	GLY 35	PRO 216
B	GLY 35	GLU 214
C	GLY 34	PRO 216
D	GLY 35	GLY 213
E	GLY 35	PRO 216
F	GLY 35	VAL 212
G	GLY 35	PRO 216
H	HIS 36	LEU 211
I	THR 39	LEU 211
W	LEU 4	HIS 10

There are 16 helices in PDB entry 2R1D. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	1	A	55	59	Right-handed 310
Helix 2	2	A	191	198	Right-handed alpha
Helix 3	3	B	55	59	Right-handed 310
Helix 4	4	B	191	197	Right-handed alpha
Helix 5	5	C	55	59	Right-handed 310
Helix 6	6	C	191	198	Right-handed alpha
Helix 7	7	D	55	59	Right-handed 310
Helix 8	8	D	171	175	Right-handed 310
Helix 9	9	D	192	197	Right-handed alpha
Helix 10	10	E	191	198	Right-handed alpha
Helix 11	11	F	55	59	Right-handed 310
Helix 12	12	F	191	198	Right-handed alpha
Helix 13	13	G	55	59	Right-handed 310
Helix 14	14	G	191	198	Right-handed alpha
Helix 15	15	H	55	59	Right-handed 310
Helix 16	16	H	191	199	Right-handed alpha

There are 18 sheets in PDB entry 2R1D. 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,

There are 11 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	112	116	first strand
Strand 2	A	101	107	anti-parallel
Strand 3	A	92	98	anti-parallel
Strand 4	A	78	85	anti-parallel
Strand 5	A	164	169	anti-parallel
Strand 6	A	40	53	anti-parallel
Strand 7	A	180	187	anti-parallel
Strand 8	A	64	72	anti-parallel
Strand 9	A	128	135	anti-parallel
Strand 10	A	138	143	anti-parallel
Strand 11	A	149	151	anti-parallel

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There are 7 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	112	116	first strand
Strand 2	A	101	107	anti-parallel
Strand 3	A	92	98	anti-parallel
Strand 4	A	78	85	anti-parallel
Strand 5	A	164	169	anti-parallel
Strand 6	A	40	53	anti-parallel
Strand 7	A	203	211	anti-parallel

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There are 11 strands in C sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	113	116	first strand
Strand 2	B	101	107	anti-parallel
Strand 3	B	92	98	anti-parallel
Strand 4	B	78	85	anti-parallel
Strand 5	B	164	169	anti-parallel
Strand 6	B	40	53	anti-parallel
Strand 7	B	180	187	anti-parallel
Strand 8	B	64	72	anti-parallel
Strand 9	B	128	135	anti-parallel
Strand 10	B	138	143	anti-parallel
Strand 11	B	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	113	116	first strand
Strand 2	B	101	107	anti-parallel
Strand 3	B	92	98	anti-parallel
Strand 4	B	78	85	anti-parallel
Strand 5	B	164	169	anti-parallel
Strand 6	B	40	53	anti-parallel
Strand 7	B	203	212	anti-parallel

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There are 11 strands in E sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	112	116	first strand
Strand 2	C	101	107	anti-parallel
Strand 3	C	92	98	anti-parallel
Strand 4	C	78	85	anti-parallel
Strand 5	C	164	169	anti-parallel
Strand 6	C	40	53	anti-parallel
Strand 7	C	180	187	anti-parallel
Strand 8	C	64	72	anti-parallel
Strand 9	C	128	135	anti-parallel
Strand 10	C	138	143	anti-parallel
Strand 11	C	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	112	116	first strand
Strand 2	C	101	107	anti-parallel
Strand 3	C	92	98	anti-parallel
Strand 4	C	78	85	anti-parallel
Strand 5	C	164	169	anti-parallel
Strand 6	C	40	53	anti-parallel
Strand 7	C	203	211	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	113	116	first strand
Strand 2	D	101	107	anti-parallel
Strand 3	D	92	98	anti-parallel
Strand 4	D	78	85	anti-parallel
Strand 5	D	164	169	anti-parallel
Strand 6	D	40	53	anti-parallel
Strand 7	D	180	187	anti-parallel
Strand 8	D	190	191	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	149	151	first strand
Strand 2	D	138	143	anti-parallel
Strand 3	D	128	135	anti-parallel
Strand 4	D	64	72	anti-parallel
Strand 5	D	180	187	anti-parallel
Strand 6	D	40	53	anti-parallel
Strand 7	D	203	212	anti-parallel

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There are 11 strands in I sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	113	116	first strand
Strand 2	E	101	107	anti-parallel
Strand 3	E	92	98	anti-parallel
Strand 4	E	78	85	anti-parallel
Strand 5	E	164	169	anti-parallel
Strand 6	E	40	53	anti-parallel
Strand 7	E	180	187	anti-parallel
Strand 8	E	64	73	anti-parallel
Strand 9	E	128	135	anti-parallel
Strand 10	E	138	143	anti-parallel
Strand 11	E	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	E	113	116	first strand
Strand 2	E	101	107	anti-parallel
Strand 3	E	92	98	anti-parallel
Strand 4	E	78	85	anti-parallel
Strand 5	E	164	169	anti-parallel
Strand 6	E	40	53	anti-parallel
Strand 7	E	203	211	anti-parallel

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There are 11 strands in K sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	F	113	116	first strand
Strand 2	F	101	107	anti-parallel
Strand 3	F	92	98	anti-parallel
Strand 4	F	77	85	anti-parallel
Strand 5	F	164	169	anti-parallel
Strand 6	F	40	53	anti-parallel
Strand 7	F	180	187	anti-parallel
Strand 8	F	64	72	anti-parallel
Strand 9	F	128	135	anti-parallel
Strand 10	F	138	143	anti-parallel
Strand 11	F	149	151	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	F	113	116	first strand
Strand 2	F	101	107	anti-parallel
Strand 3	F	92	98	anti-parallel
Strand 4	F	77	85	anti-parallel
Strand 5	F	164	169	anti-parallel
Strand 6	F	40	53	anti-parallel
Strand 7	F	203	211	anti-parallel

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There are 11 strands in M sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	112	116	first strand
Strand 2	G	101	107	anti-parallel
Strand 3	G	92	98	anti-parallel
Strand 4	G	78	85	anti-parallel
Strand 5	G	164	169	anti-parallel
Strand 6	G	40	53	anti-parallel
Strand 7	G	180	187	anti-parallel
Strand 8	G	64	72	anti-parallel
Strand 9	G	128	135	anti-parallel
Strand 10	G	138	143	anti-parallel
Strand 11	G	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	G	112	116	first strand
Strand 2	G	101	107	anti-parallel
Strand 3	G	92	98	anti-parallel
Strand 4	G	78	85	anti-parallel
Strand 5	G	164	169	anti-parallel
Strand 6	G	40	53	anti-parallel
Strand 7	G	203	211	anti-parallel

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There are 11 strands in O sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	113	116	first strand
Strand 2	H	101	107	anti-parallel
Strand 3	H	92	98	anti-parallel
Strand 4	H	78	85	anti-parallel
Strand 5	H	164	169	anti-parallel
Strand 6	H	40	53	anti-parallel
Strand 7	H	180	187	anti-parallel
Strand 8	H	64	72	anti-parallel
Strand 9	H	128	135	anti-parallel
Strand 10	H	138	143	anti-parallel
Strand 11	H	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	H	113	116	first strand
Strand 2	H	101	107	anti-parallel
Strand 3	H	92	98	anti-parallel
Strand 4	H	78	85	anti-parallel
Strand 5	H	164	169	anti-parallel
Strand 6	H	40	53	anti-parallel
Strand 7	H	203	210	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	40	43	first strand
Strand 2	I	180	187	anti-parallel
Strand 3	I	64	72	anti-parallel
Strand 4	I	128	135	anti-parallel
Strand 5	I	138	143	anti-parallel
Strand 6	I	149	151	anti-parallel

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

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	I	50	53	first strand
Strand 2	I	164	169	anti-parallel
Strand 3	I	78	85	anti-parallel
Strand 4	I	92	98	anti-parallel
Strand 5	I	101	107	anti-parallel
Strand 6	I	113	116	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: 2R1D

Analysis of interatomic Contacts of Structural Units in PDB entry:
2R1D