antiparallel_beta_strand [SO_0001112]

A peptide region which hydrogen bonded to another region of peptide running in the oposite direction (one running N-terminal to C-terminal and one running C-terminal to N-terminal). Hydrogen bonding occurs between every other C=O from one strand to every other N-H on the adjacent strand. In this case, if two atoms C-alpha (i) and C-alpha (j) are adjacent in two hydrogen-bonded beta strands, then they form two mutual backbone hydrogen bonds to each other’s flanking peptide groups; this is known as a close pair of hydrogen bonds. The peptide backbone dihedral angles (phi, psi) are about (-140 degrees, 135 degrees) in antiparallel sheets. Range.
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Open antiparallel_beta_strand in VFB

VFB Term Json

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        "core": {
            "iri": "http://purl.obolibrary.org/obo/SO_0001112",
            "symbol": "",
            "types": [
                "Entity",
                "Class"
            ],
            "short_form": "SO_0001112",
            "label": "antiparallel_beta_strand"
        },
        "description": [
            "A peptide region which hydrogen bonded to another region of peptide running in the oposite direction (one running N-terminal to C-terminal and one running C-terminal to N-terminal). Hydrogen bonding occurs between every other C=O from one strand to every other N-H on the adjacent strand. In this case, if two atoms C-alpha (i) and C-alpha (j) are adjacent in two hydrogen-bonded beta strands, then they form two mutual backbone hydrogen bonds to each other's flanking peptide groups; this is known as a close pair of hydrogen bonds. The peptide backbone dihedral angles (phi, psi) are about (-140 degrees, 135 degrees) in antiparallel sheets."
        ],
        "comment": [
            "Range."
        ]
    },
    "query": "Get JSON for Class",
    "version": "44725ae",
    "parents": [
        {
            "symbol": "",
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            "label": "wiki"
        }
    ],
    "relationships": [],
    "xrefs": [],
    "anatomy_channel_image": [],
    "pub_syn": [
        {
            "synonym": {
                "scope": "has_exact_synonym",
                "label": "antiparallel beta strand",
                "type": ""
            },
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                    "label": ""
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                "PubMed": "",
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    "def_pubs": [
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}