Analysis of interatomic Contacts of Structural Units in PDB entry:
4XCA

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 4XCA entry

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

Chain ID	Initial residue	Terminal residue
A	PRO 2	VAL 257
B	ALA 3	VAL 257
C	ALA 3	VAL 257
D	ALA 3	VAL 257

There are 40 helices in PDB entry 4XCA. Click on helix of interest for CSU analysis.

Helix number	Helix ID	Chain ID	Initial residue	Terminal residue	Helix class
Helix 1	AA1	A	5	16	Right-handed alpha
Helix 2	AA2	A	25	43	Right-handed alpha
Helix 3	AA3	A	54	59	Right-handed alpha
Helix 4	AA4	A	59	68	Right-handed alpha
Helix 5	AA5	A	68	80	Right-handed alpha
Helix 6	AA6	A	147	151	Right-handed 310
Helix 7	AA7	A	158	162	Right-handed 310
Helix 8	AA8	A	166	174	Right-handed alpha
Helix 9	AA9	A	178	183	Right-handed alpha
Helix 10	AB1	A	252	256	Right-handed 310
Helix 11	AB2	B	5	16	Right-handed alpha
Helix 12	AB3	B	25	39	Right-handed alpha
Helix 13	AB4	B	54	59	Right-handed alpha
Helix 14	AB5	B	59	67	Right-handed alpha
Helix 15	AB6	B	68	80	Right-handed alpha
Helix 16	AB7	B	147	151	Right-handed 310
Helix 17	AB8	B	158	162	Right-handed 310
Helix 18	AB9	B	166	171	Right-handed alpha
Helix 19	AC1	B	178	183	Right-handed alpha
Helix 20	AC2	B	252	256	Right-handed 310
Helix 21	AC3	C	5	16	Right-handed alpha
Helix 22	AC4	C	25	41	Right-handed alpha
Helix 23	AC5	C	54	59	Right-handed alpha
Helix 24	AC6	C	59	66	Right-handed alpha
Helix 25	AC7	C	68	80	Right-handed alpha
Helix 26	AC8	C	147	151	Right-handed 310
Helix 27	AC9	C	158	162	Right-handed 310
Helix 28	AD1	C	166	173	Right-handed alpha
Helix 29	AD2	C	178	183	Right-handed alpha
Helix 30	AD3	C	252	256	Right-handed 310
Helix 31	AD4	D	5	16	Right-handed alpha
Helix 32	AD5	D	25	37	Right-handed alpha
Helix 33	AD6	D	54	59	Right-handed alpha
Helix 34	AD7	D	59	66	Right-handed alpha
Helix 35	AD8	D	68	80	Right-handed alpha
Helix 36	AD9	D	147	151	Right-handed 310
Helix 37	AE1	D	158	162	Right-handed 310
Helix 38	AE2	D	166	173	Right-handed alpha
Helix 39	AE3	D	178	183	Right-handed alpha
Helix 40	AE4	D	252	256	Right-handed 310

There are 15 sheets in PDB entry 4XCA. Click on sheet of interest to get list of strands forming it: AA1, AA2, AA3, AA4, AA5, AA6, AA7, AA8, AA9, AB1, AB2, AB3, AB4, AB5, AB6,

There are 6 strands in AA1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	17	20	first strand
Strand 2	A	197	201	anti-parallel
Strand 3	A	136	141	anti-parallel
Strand 4	A	217	226	anti-parallel
Strand 5	A	83	93	anti-parallel
Strand 6	A	50	52	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AA2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	99	102	first strand
Strand 2	A	206	208	anti-parallel
Strand 3	A	153	156	anti-parallel
Strand 4	A	187	189	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AA3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	109	110	first strand
Strand 2	A	115	116	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AA4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	A	125	127	first strand
Strand 2	A	130	132	anti-parallel

Back to list of sheets
Back to top of page

There are 6 strands in AA5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	17	20	first strand
Strand 2	B	197	201	anti-parallel
Strand 3	B	136	141	anti-parallel
Strand 4	B	217	226	anti-parallel
Strand 5	B	83	93	anti-parallel
Strand 6	B	51	52	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AA6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	99	102	first strand
Strand 2	B	206	208	anti-parallel
Strand 3	B	153	156	anti-parallel
Strand 4	B	187	190	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AA7 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	109	110	first strand
Strand 2	B	115	116	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AA8 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	B	125	127	first strand
Strand 2	B	130	132	anti-parallel

Back to list of sheets
Back to top of page

There are 6 strands in AA9 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	17	20	first strand
Strand 2	C	197	201	anti-parallel
Strand 3	C	136	141	anti-parallel
Strand 4	C	217	226	anti-parallel
Strand 5	C	83	93	anti-parallel
Strand 6	C	50	52	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AB1 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	99	102	first strand
Strand 2	C	206	208	anti-parallel
Strand 3	C	153	156	anti-parallel
Strand 4	C	187	190	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AB2 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	C	125	127	first strand
Strand 2	C	130	132	anti-parallel

Back to list of sheets
Back to top of page

There are 6 strands in AB3 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	17	20	first strand
Strand 2	D	197	201	anti-parallel
Strand 3	D	136	141	anti-parallel
Strand 4	D	217	226	anti-parallel
Strand 5	D	83	93	anti-parallel
Strand 6	D	49	52	anti-parallel

Back to list of sheets
Back to top of page

There are 4 strands in AB4 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	99	102	first strand
Strand 2	D	206	208	anti-parallel
Strand 3	D	153	156	anti-parallel
Strand 4	D	187	189	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AB5 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	109	110	first strand
Strand 2	D	115	116	anti-parallel

Back to list of sheets
Back to top of page

There are 2 strands in AB6 sheet. Click on strand of interest for CSU analysis.

Strand number	Chain ID	Initial residue	Terminal residue	Strand sense
Strand 1	D	125	127	first strand
Strand 2	D	130	132	anti-parallel

Back to list of sheets
Back to top of page

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

Analysis of interatomic Contacts of Structural Units in PDB entry: 4XCA

Analysis of interatomic Contacts of Structural Units in PDB entry:
4XCA